Fill in the blanks.
Adam has 25% more stickers than Bryan and
Bryan has 20% more stickers than Charlie.
- Who is the repeated identity? Give the answer in number. (Eg Adam = 1, Bryan = 2, Charlie = 3)
- Number of stickers that Bryan 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 25% more stickers than Bryan.
100% + 25% = 125%
125% =
125100 =
54 Adam has
54 as many as Bryan.
Bryan has 20% more stickers than Charlie.
100% + 20% = 120%
120% =
120100 =
65 Bryan has
65 as many as Charlie.
Number of Bryan's stickers is compared to the number of Adam's stickers.
Number of Bryan's stickers is compared to the number of Charlie's stickers.
(3) Bryan is the repeated identity.
Adam |
Bryan |
Charlie |
5x3 |
4x3 |
|
|
6x2 |
5x2 |
15 u |
12 u |
10 u |
(b)
LCM of 4 and 6 = 12
Number of stickers that Bryan has = 12 u
(c)
Total number of stickers that the children have
= 15 u + 12 u + 10 u
= 37 u
(d)
Difference in the number of stickers between Bryan and Charlie
= 12 u - 10 u
= 2 u
Answer(s): (a) 2; (b) 12; (c) 37; (d) 2