1 sticker and 1 bead cost $17.
1 marble and 1 sticker cost $14.
1 marble and 1 bead cost $17.
- How much is 1 marble?
- How much is 1 bead?
- How much is 1 sticker?
Cost of 2 stickers, 2 beads and 2 marbles
= 17 + 14 + 17
= $48
Cost of 1 sticker, 1 bead and 1 marble
= 48 ÷ 2
= $24
(a)
Cost of 1 marble
= 24 - 17
= $7
(b)
Cost of 1 bead
= 24 - 14
= $10
(c)
Cost of 1 sticker
= 24 - 17
= $7
Answer(s): (a) $7; (b) $10; (c) $7