Charlie has some money to buy 7 stickers
but he buys only 5 stickers and has $8 left.
- How much does each sticker cost?
- How much money does he have?
(a)
Number of stickers that Charlie has not bought
= 7 - 5
= 2
Cost of 2 stickers = $8
Cost of 1 sticker = 8 ÷ 2 = $4
(b)
Amount that Charlie has
= Cost of 7 stickers
= 7 x 4
= $28
Answer(s): (a) $4; (b) $28