Question

Mrs. Walters drove 360 miles on 25 gallons of gas. Mr. Walter drove 480 miles on 32 gallons of gas. SHOW YOUR WORK.
Find the mileage per gallons for Mrs. Walter's car
Find the mileage per gallons for Mr. Walter's car
Which car is getting the better mileage per gallon?

Answer 1

Answer

Unit rate defined as the rate are expressed as a quantity 1 such as 3 miles per hour or 4 meter per seconds.

As per the statement:

(a)

Mrs. Walters drove 360 miles on 25 gallons of gas.

By definition of unit rate:

$\text{Unit rate per gallons} = \frac{360}{25}$

Simplify:

$\text{Unit rate per gallons} = 14.4 \text{miles}$

Therefore mileage per gallons for Mrs Walter's car is 14.4 miles per gallons

(b)

Mr. Walter drove 480 miles on 32 gallons of gas.

By definition of unit rate:

$\text{Unit rate per gallons} = \frac{480}{32}$

Simplify:

$\text{Unit rate per gallons} = 15 \text{miles}$

therefore, mileage per gallons for Mr Walter's car is 15 miles per gallons.

(c)

From the above data you can see that:

15 miles per gallon > 14.4 miles per gallons

⇒ Mr Walter's car is getting the better mileage per gallon