Fill in the blanks.
Bryan has four times as many stickers as Adam.
Both give away 8 stickers each.
In the end, Bryan has six times as many stickers as Adam.
- Difference in the number of stickers between Bryan and Adam = _____ u
- Number of stickers that Bryan and Adam have in the end = _____ u
- Number of stickers that Bryan gives away = _____ u
- 1 u = _____
|
Bryan |
Adam |
Difference |
Before |
4 x 5 = 20 u |
1 x 5 = 5 u |
3 x 5 = 15 u |
Change |
- 8 |
- 8 |
|
After |
6 x 3 = 18 u |
1 x 3 = 3 u |
5 x 3 = 15 u |
(a)
Change X times into units.
The difference in the number of stickers that Bryan and Adam have at first and in the end is the same.
LCM of 3 and 5 is 15.
Difference in the number of stickers between Bryan and Adam
= 20 u - 5 u
= 15 u
(b)
Number of stickers that Bryan and Adam had in the end
= 18 u + 3 u
= 21 u
(c)
Number of stickers that Bryan gives away
= 20 u - 18 u
= 2 u
(d)
2 u = 8
1 u = 8 ÷ 2 = 4
Answer(s): (a) 15 ; (b) 21; (c) 2 ; (d) 4