Fill in the blanks.
Adam and Bryan share some stickers.
When Adam gives 100 to Bryan, Adam's share decreases by 20%.
- Number of stickers that Adam decreases by in percentage = _____%
- Number of stickers that Adam has in the end in percentage = _____ %
- _____% of Adam's stickers is the same as 100.
- Number of stickers that Adam has at first = _____
|
Adam (%) |
Bryan (%) |
Before |
100% |
|
Change |
- 100 - 20% |
+ 100
|
After |
80% |
|
(a)
Number of stickers that Adam decreases by in percentage = 20%
(b)
Number of stickers that Adam has in the end = 100% - 20% = 80%
(c)
20% of Adam's stickers → 100
(d)
20% of Adam → 100
1% of Adam → 100 ÷ 20 = 5
100% of Bryan → 100 x 5 = 500
Number of stickers that Adam has at first = 500
Answer(s): (a) 20; (b) 80; (c) 20; (d) 500