Adam pays $44 for 2 beads and 4 stickers.
5 beads cost as much as 1 sticker.
- How much is 1 bead?
- How much is 1 sticker?
- How much is 2 stickers and 3 beads?
(a)
Choose the smaller group to be 1 u.
Cost of 1 bead = 1 u
Cost of 5 beads = 5 u
Cost of 1 sticker = 5 u
Cost of 2 beads
= 2 x 1 u
= 2 u
Cost of 4 stickers
= 4 x 5 u
= 20 u
Total cost of 2 beads and 4 stickers
= 2 u + 20 u
= 22 u
22 u = 44
1 u = 44 ÷ 22 = 2
Cost of 1 bead
= 1 u
= $2
(b)
Cost of 1 sticker
= 5 u
= 5 x 2
= $10
(c)
Cost of 2 stickers and 3 beads
= 2 x 5 u + 3 x 1 u
= 10 u + 3 u
= 13 u
= 13 x 2
= $26
Answer(s): (a) $2; (b) $10; (c) $26