Question

If 5 gallons of gas cost $7.79, how much
will 7 gallons cost?

Answer 1

the answer is $10.91 for seven gallons, if u divide 7.79 by 5 it will give you the cost per gallon then once multiplied by how many gallons you will get the correct answer.

Answer 2

$10.91

Explanation:

7 gallons cost:

`(\frac{7.79}5}) (7)=((7.79)(7))/(5) =10.906`

rounded to cents: 10.91

I hope this help you