Jenny can type 1,200 words in 30 minutes. How long will it take her to type a 3,000-word essay?

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Answer 1 · 2018-03-24T00:28:54

1 hour, 15 minutes

Let's put this into a proportion
I'm going to use #x# to represent the unknown time it takes to type a 3000 word essay

#1200/30=3000/x rarr# 1200 words in 30 minutes equals 3000 words in x minutes (The rate of her typing is the same)

#40=3000/x#

#40x=3000#

#x=75 rarr# It'll take 75 minutes (1 hour 15 minutes) to type a 3000 word essay.