Adam has enough money to buy 3 stickers at $15 each.
If he does not buy the stickers, he can buy 9 marbles with the same amount of money.
- How much does each marble cost?
- How much more is a sticker than a marble?
(a)
Amount that Adam has
= 3 x 15
= $45
Cost of each marble
= 45 ÷ 9
= $5
(b)
Amount that a sticker costs more than a marble
= 15 - 5
= $10
Answer(s): (a) $5; (b) $10