2007 AMC 12A Problems/Problem 1
Problem
One ticker to a show costs $20 at full price. Susan buys 4 tickets using a coupon that gives her a 25% discount. Pam buys 5 tickers using a coupon that gives her a 30% discount. How many more dollars does Pam pay than Susan?
Solution
P=the amount Pam spent S=the amount Susan spent
Pam pays 10 more dollars than Susan.