1 sticker and 1 marble cost $6.
1 bead and 1 sticker cost $2.
1 bead and 1 marble cost $6.
- How much is 1 bead?
- How much is 1 marble?
- How much is 1 sticker?
Cost of 2 stickers, 2 marbles and 2 beads
= 6 + 2 + 6
= $14
Cost of 1 sticker, 1 marble and 1 bead
= 14 ÷ 2
= $7
(a)
Cost of 1 bead
= 7 - 6
= $1
(b)
Cost of 1 marble
= 7 - 2
= $5
(c)
Cost of 1 sticker
= 7 - 6
= $1
Answer(s): (a) $1; (b) $5; (c) $1