Question

brad and amy typed at the same speed brad typed 292 words in 5 minutes amy typewd d 146 words in 2 minutes

Answer 1

Brad average typing rate in words per minute is 21

1260 divided by 60 = 21

(In case you meant 30 minutes)

1260 divided by 30 = 42

Explanation:

In a typing class, the average number N of words per minute typed after t weeks of lessons is

N=157/(1+5.4e^-0.12t)

N=157/(1+5.4e

−

0.12t)

. Find the time necessary to type 75 words per minute