Question

Find the percent of decrease from 84 gallons to 45 gallons. Round to the nearest tenth of a percent if necessary.

Answer 1

0.5

Explanation:

45/84=0.5357142857142857

1-0.5357142857142857=0.4642857142857143

Answer 2

= 46%

Explanation:

● Original = 84 gallons

● New = 45 gallons

● Decrease = 84 - 45 = 39 gallons

If 84 gallons = 100%

What about 39 gallons = ?

= (39 x 100) ÷ 84

= 3900 ÷ 84

= 46.42

= 46%