Question

Avery is learning how to type. She increases the number of words she can type in a minute by 15% every week. This week she can type 25 words a minute. In 6 weeks about how many words a minute should she be able to type?

A) 40 words
B) 50 words
C) 58 words
D) 100 words

Answer 1

C) 58

Explanation:

Answer 2

This is exponential growth...

F=ar^t

F=25(1.15^t) so in six weeks...

F=25(1.15^6)

F≈57.82

F≈58 words per minute (to nearest whole word per minute)