last year's phone might've had a battery that lasted 15 hours this year the battery only last for 7.5 hours what was the percent of battery life decreased

Question

Korin

Mathematics

23 March, 07:25

last year's phone might've had a battery that lasted 15 hours this year the battery only last for 7.5 hours what was the percent of battery life decreased

+2

Answers (1)

Know the Answer?

Harley Jackson · Answer 1

50% decrease

Step-by-step explanation:

Percentage decreaseformula:

difference / original * 100

difference is 15 - 7.5 = 7.5

original is the amount in the beginning which is 15

= 7.5/15 * 100

= 50% decrease