question: Christina is planning a birthday party and needs .75 gift bags per invited guest, because 1/4 of attendees don't show up. She invited 16 friends. Gift bags are $2 each. How much will she spend?
answer: She needs 12 gift bags because 16 x .75 = <<16*.75=12>>12
  She will spend $24 because 12 x 2 = <<12*2=24>>24
  #### 24