Question

Sarah wants to buy the car that has a better mileage rating. Cars of Company A travel 20 miles per gallon, and cars of Company B travel 14 km per liter.

[1 mile = 1.6 km; 1 gallon = 3.79 liters]

Part A: Which company's car should Sarah buy? Justify your answer by comparing the mileages after converting to the same units. (5 points)

Part B: If 10 gallons of gas is filled in the car which gives better mileage and you went on a drive and checked on the gas used every 30 miles, describe appropriate scales on the x-axis and y-axis to graph the rate at which the car uses gas. (5 points)

Answer 1

basically youre going to convert one of the equations to either just mile and gallons or gallons and liters

Answer 2

ok

Answer 3

1.6k = 1 mile
20miles / 1.6km =___________

Answer 4

20.1168

Answer 5

now we can conclude that
Company A's vehicle 12.5km per gallon
Company B;'s vehicle 14km per LITER

Answer 6

20/1.6 = 12.5

Answer 7

Given the information:

Company A's vehicle = 12.5km per 3.79 liters
Company B's vehicle = 14km per 1 liter

Answer 8

does that make sense?

Answer 9

yeah

Answer 10

so with this, we can conclude that Company ___ Car is better because ______

Answer 11

So i think that company b would be best?

Answer 12

correct :) why?