Question

In 1990 the price of a gallon of unleaded gasoline was 1.37. In 1998 it was 1.02 per gallon what is the decrease exspressed the price as changed %

Answer 1

Hello!

In 1990 the price of a gallon of unleaded gasoline was 1.37. In 1998 it was 1.02 per gallon what is the decrease expressed. The decrease is 35 cents. This decrease as a percentage is 25%.

Explanation:

`Q= x/100` of
`$1.37 = 0.35`

`1.37x/100 = 0.35`

`1.37x = 35`

divide each side by 1.37

answer is 25.5474453... rounded to the nearest 10th is 25%

Hope this helps!!