Posted by BIANCA on Sunday, May 10, 2009 at 9:01pm.
A COPY MACHINE CAN DUPLICATE 18 PAGES IN 45 SECONDS. AT THIS RATE,HOW MANY PAGES CAN BE DUPLICATED IN 60 SECONDS?

MATH  Rob, Sunday, May 10, 2009 at 9:03pm
24 pages

MATH  Alan, Sunday, May 10, 2009 at 9:03pm
A simple ratio can be used
18 45
 = 
X 60
18 x 60
 = 24 pages
45 
MATH  Ms. Sue, Sunday, May 10, 2009 at 9:03pm
You can set up a proportion and cross multiply.
18/45 = x/60
45x = 1080
x = 24 
MATH  ayannna, Monday, May 11, 2009 at 12:21pm
1.35356363455475745754764562336