20. Chris has $21.50. He wants a book for $5.85 and a CD for $14.99. The sales tax is 6.25%.
a. How could Chris estimate whether he has enough to buy the book and the CD?
b. Does he have enough money to buy the book and the CD?

Question

20.  Chris has $21.50. He wants a book for $5.85 and a CD for $14.99. The sales tax is 6.25%.
  a.  How could Chris estimate whether he has enough to buy the book and the CD?
  b.  Does he have enough money to buy the book and the CD?

anonymous · Answer

a.  Pull out his calculator and finds that (5.85 + 14.99)*1.0625 = 22.14
b.  No. Chris doesn't have enough money to buy the book and CD and pay the tax on both.  He is short $0.64 .