Adam buys a bead for $6.
He also buys a sticker.
The sticker costs 2 times as much as the bead.
- How much less does the sticker cost than the bead?
- How much does he spend altogether?
- How much are 2 stickers?
- How much are 3 stickers and 2 beads?
(a)
Choose the cheaper item to be 1 u.
The sticker costs 2 times as much as the bead.
The bead is cheaper.
Cost of the bead = 1 u = $6
Cost of the sticker = 2 u
Amount that the bead costs less than the sticker
= 2 u - 1 u
= 1 u
= 1 x 6
= $6
(b)
Total amount that Adam spends
= 1 u + 2 u
= 3 u
= 3 x 6
= $18
(c)
Cost of 2 stickers
= 2 x 2 u
= 4 u
= 4 x 6
= $24
(d )
Cost of 3 stickers and 2 beads
= 3 x 2 u + 2 x 1 u
= 6 u + 2 u
= 8 u
= 8 x 6
= $48
Answer(s): (a) $6; (b) $18; (c) $24; (d) $48