Fill in the blanks in decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 40% of the total.
If Bryan receives extra stickers,
his number of stickers increases by 10%.
- 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 |
3 u |
2 u |
Change |
|
+ 0.2 u |
After |
3 u |
2.2 u |
(a)
Change percentage into units.
40% =
40100 =
25Fraction of the stickers that Bryan has at first =
25 Number of stickers that Bryan has at first = 2 u
(b)
Change in the number of stickers that Bryan has
= 10% x 2 u
=
10100 x 2 u
= 0.1 x 2 u
= 0.2 u
(c)
Number of stickers that Bryan has in the end
= 2 u + 0.2 u
= 2.2 u
(d)
Fraction of the number of stickers that Adam has at first
= 1 -
25 =
35 There is no change in the number of stickers that Adam has.
Number of stickers that Adam has in the end = 3 u
Answer(s): (a) 2; (b) 0.2; (c) 2.2; (d) 3