Use the five steps for problem solving to answer the following question. Please show all of your work.
Copy Cats charges a $21 surcharge for a batch of colored copies plus $0.15 per page. Heritage Printing charges a $25.50 surcharge for a batch of colored copies plus $0.12 per page. How many pages of colored copies would make Heritage Printing cheaper than Copy Cats?

Question

amistre64 · Answer

Copy Cats charges:

 21 + .15p 

Heritage Printing charges:

 25.50 + .12p

When do they equal?

amistre64 · Answer

21 +.15p = 25.50 +.12p

.03p = 4.50

p = 450/3 = 150  at 150 pages they are equal.. if I did it right lol

amistre64 · Answer

add 1 page and see which guy is more expensive

amistre64 · Answer

at 0; C<H  at 150 C=H

over 150 pages H<C