Question

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

Answer 1

24 pages

Answer 2

A simple ratio can be used

18 45
--- = ---
X 60

18 x 60
------- = 24 pages
45

Answer 3

You can set up a proportion and cross multiply.

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

Answer 4

1.35356363455475745754764562336