Fill in the blanks.
Bryan has four times as many stickers as Adam.
Both receive 30 stickers each.
In the end, Bryan has twice 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 receives = _____ u
- 1 u = _____
|
Bryan |
Adam |
Difference |
Before |
4 u |
1 u |
3 u |
Change |
+ ? |
+ ? |
|
After |
2 x 3 = 6 u |
1 x 3 = 3 u |
1 x 3 = 3 u |
(a)
The difference in the number of stickers that Bryan and Adam have at first and in the end is the same.
LCM of 1 and 3 is 3.
Difference in the number of stickers between Bryan and Adam
= 4 u - 1 u
= 3 u
(b)
Number of stickers that Bryan and Adam had in the end
= 6 u + 3 u
= 9 u
(c)
Number of stickers that Bryan receives
= 6 u - 4 u
= 2 u
(d)
2 u = 30
1 u = 30 ÷ 2 = 15
Answer(s): (a) 3 ; (b) 9; (c) 2 ; (d) 15