Fill in the blanks.
Adam has some marbles.
Adam gives some marbles away.
The number of marbles now is a decrease of 65% compared to what Adam has at first.
- Number of marbles that Adam has at first = _____ u
- Number of marbles that Adam gives away = _____ u
- Number of marbles that Adam has in the end = _____ u
|
Adam (Units) |
Adam (%) |
Before |
20 u |
100% |
Change |
- 13 u |
- 65% |
After |
7 u |
35% |
(a)
Change percentage into units.
65% =
65100 =
1320 Number of marbles that Adam has at first = 20 u
(b)
Number of marbles that Adam gives away = 13 u
(c)
Number of marbles that Adam has in the end
= 20 u - 13 u
= 7 u
Answer(s): (a) 20; (b) 13; (c) 7