Amir’s coin collection consisted of 150 coins in November. By the following June, his collection had grown to 174 coins. By how much did his collection increase between November and June?

A.
9%

B.
14%

C.
16%

D.
24%

Question

Amir’s coin collection consisted of 150 coins in November. By the following June, his collection had grown to 174 coins. By how much did his collection increase between November and June?
 
 A.
9%
 
 B.
14%
 
 C.
16%
 
 D.
24%

anonymous · Answer

$$ \frac{\text{final value}-\text{initial value}}{\text{initial value}}\times100\%$$