Fill in the blanks.
Adam has 20% less stickers than Bryan and
Charlie has 50% less stickers than Adam.
- Who is the repeated identity? Give the answer in number. (Eg Adam = 1; Bryan = 2; Charlie = 3)
- Number of stickers that Charlie has = _____ u
- Total number of stickers = _____ u
- Difference in the number of stickers between Bryan and Charlie = _____ u
(a)
Change percentage into units.
Adam has 20% less stickers than Bryan.
100% - 20% = 80%
80% =
80100 =
45 Adam has
45 as many as stickers as Bryan.
Charlie has 50% less stickers than Adam.
100% - 50% = 50%
50% =
50100 =
12 Charlie has
12 as many as stickers as Adam.
Number of Adam's stickers is compared to the number of Bryan's stickers.
Number of Adam's stickers is compared to the number of Charlie's stickers.
(1) Adam is the repeated identity.
Adam |
Bryan |
Charlie |
4x1 |
5x1 |
|
2x2 |
|
1x2 |
4 u |
5 u |
2 u |
(b)
LCM of 4 and 2 = 4
Number of stickers that Charlie has = 2 u
(c)
Total number of stickers that the children have
= 4 u + 5 u + 2 u
= 11 u
(d)
Difference in the number of stickers between Bryan and Charlie
= 5 u - 2 u
= 3 u
Answer(s): (a) 1; (b) 2; (c) 11; (d) 3