Question

mandy collected 80 stamps last year, and collected 140 stamps this year. what was the percentage increase in her stamp collection

Answer 1

75%

Explanation:

We Know

Mandy collected 80 stamps last year.

Collected 140 stamps this year.
What was the percentage increase in her stamp collection?

We Take

(140 ÷ 80) x 100 = 175%

Then We Take

175 - 100 = 75%

So, the stamp collection increase by 75%