Fill in the blanks.
Bryan and Adam have 16 stickers.
Bryan and Charlie have 43 stickers.
Charlie has four times as many as stickers as Adam.
- Number of stickers that Charlie has = _____ u
- 1 u = _____
- Number of stickers that Bryan has = _____
(a)
Change information into units.
Charlie has four times as many as stickers as Adam.
Number of stickers that Adam has = 1 u
Number of stickers that Charlie has = 4 u
(b)
Bryan + 1 u = 16 --- (1)
Bryan + 4 u = 43 --- (2)
(2) - (1)
4 u - 1 u = 43 - 16
3 u = 27
1 u = 27 ÷ 3 = 9
(c)
Number of stickers that Bryan has
= 16 - 1 u
= 16 - 9
= 7
Answer(s): (a) 4; (b) 9; (c) 7