Armani can type 40 words per minute. Joely can type 55 words per minute. If Armani and Joely each type for 30 minutes. About how many more words will Joely type?

1 Answer
Alan P.
Jan 6, 2017

450" words"

Explanation:

If Armani types 40 ("words")/("minute") then in 30" minutes"
Armani will type color(white)("XXX")40("words")/(cancel("minute"))xx30cancel("minutes")=1200" words"

If Joey types 55 ("words")/("minute") then in 30" minutes"
Joely will type color(white)("XXX")55("words")/(cancel("minute"))xx30cancel("minutes")=1650" words"

In 30" minutes" Joely will type
color(white)("XXX")1650" words" - 1200" words" = 450" words"
more than Armani.

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