Question

Mindy's dog, Rex, weighed 80 pounds a year ago. Now he weighs 92 pounds. What is the percent increase in his weight?

Answer 1

The percent increase in his weight is "15 %".

Step-by-step explanation:

Given,

Mindy's dog, Rex, weighed a year ago = 80 pounds and

Now he weighs = 92 pounds

To find, the percent increase in his weight = ?

The percent increase in his weight =  Now he weighs - Mindy's dog, Rex, weighed a year ago

= 92 - 80 = 12 pounds

∴ The percent increase in his weight = $\dfrac{12}{80} \times 100$

$= \dfrac{12}{4} \times 5$

= 15 %

Hence, the percent increase in his weight is 15 %.

Answer 2

Dear Student,

● Answer -

Percent increase = 15 %

● Explanation -

Given that Rex's weight changed from 80 pounds to 92 pounds.

Percent increase in Rex's weight is calculated by -

Percent increase = (final weight - initial weight) × 100 / initial weight

Percent increase = (92 - 80) × 100 / 80

Percent increase = 15 %

Hence, percentage increase in Rex's weight in a year is 15 %.

Thanks dear. Hope this helps you...