PSLEAt first, Leah had a total of 59 silver and green balloons. 15 green balloons burst. She then increased the number of silver balloons by 75%. After that, Leah had a total of 56 balloons. How many green balloons did she have at first?
|
Silver |
Green |
Total |
Before |
4 u |
|
59 |
Change |
+ 3 u |
- 15 |
- 3 |
After |
7 u |
|
56 |
75100 =
34Decrease in the number of balloons
= 59 - 56
= 3
3 u = 15 - 3
3 u = 12
1 u = 12 ÷ 3 = 4
Number of silver balloons at first
= 4 u
= 4 x 4
= 16
Number of green balloons at first
= 59 - 16
= 43
Answer(s): 43