Question

2

15) John traveled 166.25 miles and used 9
gallons of gas. How many miles per gallon
does John's car get?

Answer 1

`\boxed{ \bold{ \huge{ \boxed{ \sf{18.472 \: miles}}}}}`

Explanation:

Distance travelled = 166.25 miles

gallons of gas used = 9 gallons

To find : 1 gallons of gas = ? miles

In unitary method, we have to obtain unit quantity. So, to find the distance travelled using 1 gallons of gas, 166.25 is divided by 9

`\sf{ (166.25)/(9) }`

`\dashrightarrow{ \sf{18.472 \: miles}}`

Hope I helped!

Best regards!

Answer 2

18.472 miles

Explanation:

`166.25 \: miles = 9 \: gallons \\ x \: miles = 1 \: gallons`

Cross Multiply

`9x = 166.25`

Divide both sides of the equation by 9

`(9x)/(9) = (166.25)/(9)`

`x = 18.472`