PSLE At first, Jane had 93 pens and some marbles. After she gave away 70 pens and 60% of the marbles, she had a total of 35 pens and marbles. How many marbles did Jane have at first?
|
Pens |
Marbles |
Total |
Before |
93 |
5 u |
|
Change |
- 70 |
- 3 u |
|
After |
23 |
2 u |
35 |
60% =
60100 =
35 Number of pens that Jane left
= 93 - 70
= 23
Number of marbles that Jane left
= 35 - 23
= 12
2 u = 12
1 u = 12 ÷ 2 = 6
Number of marbles that Jane had at first
= 5 u
= 5 x 6
= 30
Answer(s): 30