PSLE At first, Jean had 87 stickers and some marbles. After she gave away 47 stickers and 25% of the marbles, she had a total of 52 stickers and marbles. How many marbles did Jean give away?
|
Stickers |
Marbles |
Total |
Before |
87 |
4 u |
|
Change |
- 47 |
- 1 u |
|
After |
40 |
3 u |
52 |
25% =
25100 =
14 Number of stickers that Jean left
= 87 - 47
= 40
Number of marbles that Jean left
= 52 - 40
= 12
3 u = 12
1 u = 12 ÷ 3 = 4
Number of marbles that Jean gave away
= 1 u
= 1 x 4
= 4
Answer(s): 4