Fill in the blanks.
Adam has some stickers.
Adam gives some stickers away.
The number of stickers decreases by 15%.
- Number of stickers that Adam has at first = _____ u
- Number of stickers that Adam gives away = _____ u
- Number of stickers that Adam has in the end = _____ u
|
Adam (Units) |
Adam (%) |
Before |
20 u |
100% |
Change |
- 3 u |
- 15% |
After |
17 u |
85% |
(a)
Change percentage into units.
15% =
15100 =
320 Number of stickers that Adam has at first = 20 u
(b)
Number of stickers that Adam gives away = 3 u
(c)
Number of stickers that Adam has in the end
= 20 u - 3 u
= 17 u
Answer(s): (a) 20; (b) 3; (c) 17