1 marble and 1 bead cost $11.
1 sticker and 1 marble cost $6.
1 sticker and 1 bead cost $11.
- How much is 1 sticker?
- How much is 1 bead?
- How much is 1 marble?
Cost of 2 marbles, 2 beads and 2 stickers
= 11 + 6 + 11
= $28
Cost of 1 marble, 1 bead and 1 sticker
= 28 ÷ 2
= $14
(a)
Cost of 1 sticker
= 14 - 11
= $3
(b)
Cost of 1 bead
= 14 - 6
= $8
(c)
Cost of 1 marble
= 14 - 11
= $3
Answer(s): (a) $3; (b) $8; (c) $3