Fill in the blanks in decimals.
2 boys, Adam and Bryan, share some stickers.
Bryan has 15% of the total.
If Bryan receives extra stickers,
his number of stickers increases by 85%.
- 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 |
17 u |
3 u |
Change |
|
+ 2.55 u |
After |
17 u |
5.55 u |
(a)
Change percentage into units.
15% =
15100 =
320Fraction of the stickers that Bryan has at first =
320 Number of stickers that Bryan has at first = 3 u
(b)
Change in the number of stickers that Bryan has
= 85% x 3 u
=
85100 x 3 u
= 0.85 x 3 u
= 2.55 u
(c)
Number of stickers that Bryan has in the end
= 3 u + 2.55 u
= 5.55 u
(d)
Fraction of the number of stickers that Adam has at first
= 1 -
320 =
1720 There is no change in the number of stickers that Adam has.
Number of stickers that Adam has in the end = 17 u
Answer(s): (a) 3; (b) 2.55; (c) 5.55; (d) 17