Fill in the blanks in decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 10% of the total.
If Bryan gives away some stickers,
his number of stickers decreases by 30%.
- 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
|
Bryan |
Adam |
Before |
9 u |
1 u |
Change |
|
- 0.3 u |
After |
9 u |
0.7 u |
(a)
Change percentage into units.
10% =
10100 =
110Fraction of the stickers that Adam has at first =
110 Number of stickers that Adam has at first = 1 u
(b)
Change in the number of stickers that Adam has
= 30% x 1 u
=
30100 x 1 u
= 0.3 x 1 u
= 0.3 u
(c)
Number of stickers that Adam has in the end
= 1 u - 0.3 u
= 0.7 u
(d)
Fraction of the number of stickers that Bryan has at first
= 1 -
110 =
910 There is no change in the number of stickers that Bryan has.
Number of stickers that Bryan has in the end = 9 u
Answer(s): (a) 1; (b) 0.3; (c) 0.7; (d) 9