Fill in the blanks.
Bryan and Adam share some stickers.
When Bryan gives 20 to Adam, Bryan's share decreases by 50%.
- Number of stickers that Bryan decreases by in percentage = _____%
- Number of stickers that Bryan has in the end in percentage = _____ %
- _____% of Bryan's stickers is the same as 20.
- Number of stickers that Bryan has at first = _____
|
Bryan (%) |
Adam (%) |
Before |
100% |
|
Change |
- 20 - 50% |
+ 20
|
After |
50% |
|
(a)
Number of stickers that Bryan decreases by in percentage = 50%
(b)
Number of stickers that Bryan has in the end = 100% - 50% = 50%
(c)
50% of Bryan's stickers → 20
(d)
50% of Bryan → 20
1% of Bryan → 20 ÷ 50 = 0.4
100% of Adam → 100 x 0.4 = 40
Number of stickers that Bryan has at first = 40
Answer(s): (a) 50; (b) 50; (c) 50; (d) 40