Fill in the blanks in decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 75% of the total.
If Bryan receives extra stickers,
his number of stickers increases by 80%.
- Number of stickers that Bryan has at first = _____ u
- Change in the number of stickers that Bryan has = _____ u
- Number of stickers that Bryan has in the end = _____ u
- Number of stickers that Adam has in the end = _____ u
|
Adam |
Bryan |
Before |
1 u |
3 u |
Change |
|
+ 2.4 u |
After |
1 u |
5.4 u |
(a)
Change percentage into units.
75% =
75100 =
34Fraction of the stickers that Bryan has at first =
34 Number of stickers that Bryan has at first = 3 u
(b)
Change in the number of stickers that Bryan has
= 80% x 3 u
=
80100 x 3 u
= 0.8 x 3 u
= 2.4 u
(c)
Number of stickers that Bryan has in the end
= 3 u + 2.4 u
= 5.4 u
(d)
Fraction of the number of stickers that Adam has at first
= 1 -
34 =
14 There is no change in the number of stickers that Adam has.
Number of stickers that Adam has in the end = 1 u
Answer(s): (a) 3; (b) 2.4; (c) 5.4; (d) 1