Fill in the blanks.
Adam has 40% more stickers than Charlie and 20% fewer stickers than Bryan.
- Who is the repeated identity? Give the answer in number. (Eg Charlie = 1; Adam = 2; Bryan = 3)
- Number of stickers that Charlie has = _____ u
- Total number of stickers = _____ u
- The difference in the number of stickers between Bryan and Adam = _____ u
(a)
Change percentage into units.
Adam has 40% more stickers than Charlie.
100% + 40% = 140%
140% =
140100 =
75 Adam has
75 as many as Charlie.
Adam has 20% fewer stickers than Bryan.
100% - 20% = 80%
80% =
80100 =
45 Adam has
45 as many as Bryan.
Number of Adam's stickers is compared to the number of Charlie's stickers.
Number of Adam's stickers is compared to the number of Bryan's stickers.
(2) Adam is the repeated identity.
Adam |
Charlie |
Bryan |
7x4 |
5x4 |
|
4x7 |
|
5x7 |
28 u |
20 u |
35 u |
(b)
Adam is the repeated identity.
LCM of 7 and 4 = 28
Number of stickers that Charlie has = 20 u
(c)
Total number of stickers that the children have
= 28 u + 20 u + 35 u
= 83 u
(d)
Difference in the number of stickers between Bryan and Adam
= 35 u - 28 u
= 7 u
Answer(s): (a) 2; (b) 20; (c) 83; (d) 7