Question

Michael takes 90 min to type 5850 words. If he increases his typing speed by 5 words/min, how many minutes will he take to type 10,500 words?

A. 120 min
B. 140 min
C. 150 min
D. 180 min

Answer 1

Based on the first sentence, you should find out how many words per min he typed.
That is 5850/90.

Add five words per minute to that. Then, do the same kind of calculation based on 10,500 words.

Answer 2

how i dontknow

Answer 3

Can you calculate 5850/90?

Answer 4

its 65

Answer 5

So, he typed at 65 words per minute. Now, he increased the speed by 5 words per minute. The new speed is?

Answer 6

70

Answer 7

OK. Now, if he types at 70 words per minute, how many minutes will it take to type 10,500 words?

Answer 8

do i divide that to 70 ?

Answer 9

Yes.