Adam pays $44 for 3 stickers and 2 beads.
4 stickers cost as much as 1 bead.
- How much is 1 sticker?
- How much is 1 bead?
- How much is 2 beads and 4 stickers?
(a)
Choose the smaller group to be 1 u.
Cost of 1 sticker = 1 u
Cost of 4 stickers = 4 u
Cost of 1 bead = 4 u
Cost of 3 stickers
= 3 x 1 u
= 3 u
Cost of 2 beads
= 2 x 4 u
= 8 u
Total cost of 3 stickers and 2 beads
= 3 u + 8 u
= 11 u
11 u = 44
1 u = 44 ÷ 11 = 4
Cost of 1 sticker
= 1 u
= $4
(b)
Cost of 1 bead
= 4 u
= 4 x 4
= $16
(c)
Cost of 2 beads and 4 stickers
= 2 x 4 u + 4 x 1 u
= 8 u + 4 u
= 12 u
= 12 x 4
= $48
Answer(s): (a) $4; (b) $16; (c) $48