Fill in the blanks in units (Eg 1 u) or unit equations (Eg 1 u + 2).
Bryan, Charlie and Adam have some stickers.
Adam has
57 as many as Bryan.
Charlie has 90 less stickers than Adam.
Let the number of stickers that Bryan has be 7 u.
- Number of stickers that Adam has = _____
- Number of stickers that Charlie has = _____
- Total number of stickers = _____
- Number of stickers that Bryan has more than Charlie = _____
(a)
Let the number of stickers that Bryan has = 7 u
Number of stickers that Adam has = 5 u
(b)
Number of stickers that Charlie has = 5 u - 90
(c)
Total number of stickers
= 7 u + 5 u + 5 u - 90
= 17 u - 90
(d)
Number of stickers that Bryan has more than Charlie
= 7 u - (5 u - 90)
= 7 u - 5 u + 90
= 2 u + 90
Answer(s): (a) 5 u; (b) 5 u - 90; (c) 17 u - 90; (d) 2 u + 90