Question

Lin can type 192 words in 6 minutes. Hoi can type 112 words in 4 minutes. Which statement is true?

A.Hoi can type 4 more words per minute than Lin.
B.Lin can type 4 more words per minute than Hoi.
C.Lin can type 8 more words per minute than Hoi.
D.Hoi can type 8 more words per minute than Lin.

Answer 1

112 words in 4 minutes

Explanation:

Hoi can type 112 words in 4 minutes. Therefore, Lin's typing speed is 32 words per minute. Therefore, Hoi's typing speed is 28 words per minute. We can see that Lin's typing speed is 4 more (32-28) words per minute more than Hoi, therefore, option B is the correct choice.