Question

A rare book was offered for sale in 2018 for $800. Because it was so rare, in increased in value by 10% in 2019. It increased in value again in 2020 this time by 20%. If you know how percentages work, you know that it increased by MORE than 30% in this time period. By what percent did it increase over the 2 year period?

Answer 1

32%.

Explanation:

Value in 2019 = 800 + 10% of 800

= 800 + 0.1*800

= $880.

In 2020 , value

= 880 + 0.2*880

= $1056.

Increase in value over 2 years = 1056 - 800 = $256.

% increase = 100 * 256/800

= 32%.

Answer 2

32%

Explanation:

too lazy to type it out.