Adam has enough money to buy 3 beads at $4 each.
If he does not buy the beads, he can buy 4 marbles with the same amount of money.
- How much does each marble cost?
- How much more is a bead than a marble?
(a)
Amount that Adam has
= 3 x 4
= $12
Cost of each marble
= 12 ÷ 4
= $3
(b)
Amount that a bead costs more than a marble
= 4 - 3
= $1
Answer(s): (a) $3; (b) $1