Question

Jenna's 4Runner is expected to get 22 miles/gallon on the highway, or she can

rent a Hyundai Elantra, which gets 40 miles/gallon.' On her next trip, she will drive
150 miles, and gas is expected to cost $3.59/gallon,
Part A: Use your estimation skills to estimate which vehicle would cost more in
gas. About how much more? Explain your strategy.
Part B: What is the actual cost of the gas for each vehicle? Explain your strategy.

Answer 1

Answer: A.4Runner cost more for $11.02

B.Cost of fuel for Elentra: 3.75*3.59=$13.46

Cost of fuel for 4Runner : 6.818*3.59=$24.48

Explanation:

A.Find how many gallons 4Runner spends on 150 mile trip.

use proportion

22:1=150:x

22x=150

x=150/22

x=6.818 gallons

Cost of fuel for 4Runner : 6.818*3.59=$24.48

Calculation for Elentra:

40:1=150:x

40x=150

x=150/40

x=3.75 gallons

Cost of fuel for Elentra: 3.75*3.59=$13.46

Cost of fule for 4Runner-Cost of fuel for Elentra=24.48-13.46=$11.02

4Runner cost more for $11.02

B.Cost of fuel for Elentra: 3.75*3.59=$13.46

Cost of fuel for 4Runner : 6.818*3.59=$24.48