Question

The number 80 is increased to 138. What is the percentage by which the number was increased.

Answer 1

Answer: 172.5% OR 1.725 as decimal

Explanation:

138-80=58

80=100% OR 1

58=x%

x=58/80

x=72.5% OR 0.725

58=72.5

1+0.725=1.725

80x1.725=138

Hopefully I somehow helped :) -KJ