Fill in the blanks in decimals.
2 boys, Bryan and Adam, share some stickers.
Adam has 15% 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 |
17 u |
3 u |
Change |
|
+ 0.75 u |
After |
17 u |
3.75 u |
(a)
Change percentage into units.
15% =
15100 =
320Fraction of the stickers that Adam has at first =
320 Number of stickers that Adam has at first = 3 u
(b)
Change in the number of stickers that Adam has
= 25% x 3 u
=
25100 x 3 u
= 0.25 x 3 u
= 0.75 u
(c)
Number of stickers that Adam has in the end
= 3 u + 0.75 u
= 3.75 u
(d)
Fraction of the number of stickers that Bryan has at first
= 1 -
320 =
1720 There is no change in the number of stickers that Bryan has.
Number of stickers that Bryan has in the end = 17 u
Answer(s): (a) 3; (b) 0.75; (c) 3.75; (d) 17