Fill in the blanks in decimals.
2 boys, Bryan and Adam, share some stickers.
Adam has 30% of the total.
If Adam receives extra stickers,
his number of stickers increases by 90%.
- 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 |
7 u |
3 u |
Change |
|
+ 2.7 u |
After |
7 u |
5.7 u |
(a)
Change percentage into units.
30% =
30100 =
310Fraction of the stickers that Adam has at first =
310 Number of stickers that Adam has at first = 3 u
(b)
Change in the number of stickers that Adam has
= 90% x 3 u
=
90100 x 3 u
= 0.9 x 3 u
= 2.7 u
(c)
Number of stickers that Adam has in the end
= 3 u + 2.7 u
= 5.7 u
(d)
Fraction of the number of stickers that Bryan has at first
= 1 -
310 =
710 There is no change in the number of stickers that Bryan has.
Number of stickers that Bryan has in the end = 7 u
Answer(s): (a) 3; (b) 2.7; (c) 5.7; (d) 7