Fill in the blanks.
Bryan and Adam share some beads.
When Bryan gives 20 to Adam, Bryan's share decreases by 10%.
- Number of beads that Bryan decreases by in percentage = _____%
- Number of beads that Bryan has in the end in percentage = _____ %
- _____% of Bryan's beads is the same as 20.
- Number of beads that Bryan has at first = _____
|
Bryan (%) |
Adam (%) |
Before |
100% |
|
Change |
- 20 - 10% |
+ 20
|
After |
90% |
|
(a)
Number of beads that Bryan decreases by in percentage = 10%
(b)
Number of beads that Bryan has in the end = 100% - 10% = 90%
(c)
10% of Bryan's beads → 20
(d)
10% of Bryan → 20
1% of Bryan → 20 ÷ 10 = 2
100% of Adam → 100 x 2 = 200
Number of beads that Bryan has at first = 200
Answer(s): (a) 10; (b) 90; (c) 10; (d) 200