Chris has $21.50. He wants a book for $5.85 and a cd for $14.99. The sales tax is 6.25%. How could Chris estimate whether he has enough to buy the book and the cd?
Does he have enough money to buy the book and the cd?
No he does. Together he had to pay $20.81 for the book and cd. With tax of 6.25% multipled to the $20.81 the tax return will be $1.30 that will be added to the $20.81 for a total of $22.11