PSLE At first, Victoria had 66 stickers and some marbles. After she gave away 33 stickers and 40% of the marbles, she had a total of 60 stickers and marbles. How many marbles did Victoria give away?
|
Stickers |
Marbles |
Total |
Before |
66 |
5 u |
|
Change |
- 33 |
- 2 u |
|
After |
33 |
3 u |
60 |
40% =
40100 =
25 Number of stickers that Victoria left
= 66 - 33
= 33
Number of marbles that Victoria left
= 60 - 33
= 27
3 u = 27
1 u = 27 ÷ 3 = 9
Number of marbles that Victoria gave away
= 2 u
= 2 x 9
= 18
Answer(s): 18