A COPY MACHINE CAN DUPLICATE 18 PAGES IN 45 SECONDS. AT THIS RATE,HOW MANY PAGES CAN BE DUPLICATED IN 60 SECONDS?

4 answers

24 pages
A simple ratio can be used

18 45
--- = ---
X 60

18 x 60
------- = 24 pages
45
You can set up a proportion and cross multiply.

18/45 = x/60
45x = 1080
x = 24
1.35356363455475745754764562336
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