Question

Mark is on the wrestling team. He weighs 125 pounds but wants to gain some weight. Each week

for 4 weeks Mark gains 2.5 pounds.

What is Mark's percent of increase in weight?

7%

6%

8%

9%

Answer 1

8%

Explanation:

1) create equation

y = (4)2.5 + 125

2) simplify

y = 10 + 125

y = 135

3) find difference

x = 135-125/125

x = 0.08

x = 8%