Question

The price of an item yesterday was 120 . Today, the price fell to 78 . Find the percentage decrease.

Answer 1

65%

Explanation:

120 * x = 78

78/120 = x

.65 = x

Answer 2

35%

Explanation:

First, set up the equation.

`(78-120)/(120) *100=` %

Then solve.

78-120 is -42.

Divide by 120. -0.35.

Multiply by 100. -35.

The negative sign means that it is decreasing, so you can take it away.

I hope this helps!