Fill in the blanks in decimals.
2 boys, Bryan and Adam, share some stickers.
Adam has 45% of the total.
If Adam receives extra stickers,
his number of stickers increases by 25%.
- Number of stickers that Adam has at first = _____ u
- Change in the number of stickers that Adam has = _____ u
- Number of stickers that Adam has in the end = _____ u
- Number of stickers that Bryan has in the end = _____ u
|
Bryan |
Adam |
Before |
11 u |
9 u |
Change |
|
+ 2.25 u |
After |
11 u |
11.25 u |
(a)
Change percentage into units.
45% =
45100 =
920Fraction of the stickers that Adam has at first =
920 Number of stickers that Adam has at first = 9 u
(b)
Change in the number of stickers that Adam has
= 25% x 9 u
=
25100 x 9 u
= 0.25 x 9 u
= 2.25 u
(c)
Number of stickers that Adam has in the end
= 9 u + 2.25 u
= 11.25 u
(d)
Fraction of the number of stickers that Bryan has at first
= 1 -
920 =
1120 There is no change in the number of stickers that Bryan has.
Number of stickers that Bryan has in the end = 11 u
Answer(s): (a) 9; (b) 2.25; (c) 11.25; (d) 11