There was an equal number of green and silver marbles in a bag at first. After 24 silver marbles were taken out and 36 green marbles were added into the bag, there was
14 as many silver marbles as green marbles. Find the number of silver marbles in the bag at first.
|
Green marbles |
Silver marbles |
Before |
4 u - 36 |
1 u + 24 |
Change |
+ 36 |
- 24 |
After |
4 u |
1 u |
The number of green and silver marbles in the bag is the same at first.
4 u - 36 = 1 u + 24
4 u - 1 u = 24 + 36
3 u = 60
1 u = 60 ÷ 3 = 20
Number of silver marbles at first
= 1 u + 24
= 20 + 24
= 44
Answer(s)44