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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