Kelton can type 64 words in 30 minutes. How many words can he type in an hour and a half?

2 Answers
Apr 6, 2018

192 words

Explanation:

64 words = 30 minutes (or half an hour)

Doubling,
128 words = 60 minutes (or an hour)

Tripling,
192 words = 90 minutes (or an hour and a half)

Apr 6, 2018

Assuming the same pace, Kelton can type 192 words in 90 minutes.

Explanation:

1 hour and 30 minutes contain 3 half-hours. It means Kelton can type

#3times64#

#=192# words in one hour and a half.