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Gas Cost worksheet

Grade 6 · CCSS 6.RP.A.3.b

Solve each problem and show your work. Round answers to 2 decimal places where needed.

1.
Problem 1.
- Trip distance (one way): 275 miles
- Fuel economy: 32 mpg (US)
- Fuel price: $3.80 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer
2.
Problem 2.
- Trip distance (one way): 250 miles
- Fuel economy: 18 mpg (US)
- Fuel price: $3.50 per US gallon
- Round trip (double the distance): No
- Split the cost between: 2 people
Find: Trip fuel cost
Answer
3.
Problem 3.
- Trip distance (one way): 350 miles
- Fuel economy: 24 mpg (US)
- Fuel price: $2.50 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer
4.
Problem 4.
- Trip distance (one way): 325 miles
- Fuel economy: 28 mpg (US)
- Fuel price: $4.50 per US gallon
- Round trip (double the distance): No
- Split the cost between: 2 people
Find: Trip fuel cost
Answer
5.
Problem 5.
- Trip distance (one way): 360 miles
- Fuel economy: 32 mpg (US)
- Fuel price: $4 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer
6.
Problem 6.
- Trip distance (one way): 320 miles
- Fuel economy: 33 mpg (US)
- Fuel price: $3.20 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer
7.
Problem 7.
- Trip distance (one way): 200 miles
- Fuel economy: 26 mpg (US)
- Fuel price: $3 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer
8.
Problem 8.
- Trip distance (one way): 275 miles
- Fuel economy: 26 mpg (US)
- Fuel price: $3.70 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer
9.
Problem 9.
- Trip distance (one way): 375 miles
- Fuel economy: 28 mpg (US)
- Fuel price: $2.50 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer
10.
Problem 10.
- Trip distance (one way): 270 miles
- Fuel economy: 26 mpg (US)
- Fuel price: $3.40 per US gallon
- Round trip (double the distance): No
- Split the cost between: 1 people
Find: Trip fuel cost
Answer

Answer key: Gas Cost worksheet

1. Trip fuel cost: $32.66
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{275}{32}$ $= 8.594 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $8.594 US gal \times $3.80$ $= $32.66$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{32}$ $= 7.35 L/100 km$
2. Trip fuel cost: $48.61
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{250}{18}$ $= 13.889 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $13.889 US gal \times $3.50$ $= $48.61$
3. Split the cost evenly between everyone sharing
  $\frac{$48.61}{2}$ $= $24.31$
4. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{18}$ $= 13.07 L/100 km$
3. Trip fuel cost: $36.46
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{350}{24}$ $= 14.583 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $14.583 US gal \times $2.50$ $= $36.46$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{24}$ $= 9.8 L/100 km$
4. Trip fuel cost: $52.23
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{325}{28}$ $= 11.607 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $11.607 US gal \times $4.50$ $= $52.23$
3. Split the cost evenly between everyone sharing
  $\frac{$52.23}{2}$ $= $26.12$
4. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{28}$ $= 8.4 L/100 km$
5. Trip fuel cost: $45.00
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{360}{32}$ $= 11.25 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $11.25 US gal \times $4.00$ $= $45.00$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{32}$ $= 7.35 L/100 km$
6. Trip fuel cost: $31.03
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{320}{33}$ $= 9.697 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $9.697 US gal \times $3.20$ $= $31.03$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{33}$ $= 7.13 L/100 km$
7. Trip fuel cost: $23.08
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{200}{26}$ $= 7.692 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $7.692 US gal \times $3.00$ $= $23.08$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{26}$ $= 9.05 L/100 km$
8. Trip fuel cost: $39.13
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{275}{26}$ $= 10.577 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $10.577 US gal \times $3.70$ $= $39.13$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{26}$ $= 9.05 L/100 km$
9. Trip fuel cost: $33.48
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{375}{28}$ $= 13.393 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $13.393 US gal \times $2.50$ $= $33.48$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{28}$ $= 8.4 L/100 km$
10. Trip fuel cost: $35.31
1. Find the fuel used: divide the distance by your mpg (US), the distance the car goes on one unit of fuel
  $\frac{270}{26}$ $= 10.385 US gal$
2. Multiply the fuel needed by the price per unit to get the trip cost
  $10.385 US gal \times $3.40$ $= $35.31$
3. To compare with metric ratings, convert to liters per 100 km: divide 235.2146 by your US mpg
  $\frac{235.2146}{26}$ $= 9.05 L/100 km$