Question

Your friend gives you a gift card for $25.00. CDs cost $10.98 each plus 5.25% sales tax. You buy as many CDs as possible without having to pay extra money. What is the balance on the card after the purchase

Answer 1

So a easy way to do this is you can multiple 10.98 by 2, because two cds. Then you can find what 5.25 of both of them is

Answer 2

Then add it together and see if it is more or less than 25