Fill in the blanks.
Bryan and Adam have 25 stickers.
Bryan and Charlie have 41 stickers.
Charlie has five 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 five times as many as stickers as Adam.
Number of stickers that Adam has = 1 u
Number of stickers that Charlie has = 5 u
(b)
Bryan + 1 u = 25 --- (1)
Bryan + 5 u = 41 --- (2)
(2) - (1)
5 u - 1 u = 41 - 25
4 u = 16
1 u = 16 ÷ 4 = 4
(c)
Number of stickers that Bryan has
= 25 - 1 u
= 25 - 4
= 21
Answer(s): (a) 5; (b) 4; (c) 21