PSLEAt first, Leah had a total of 53 gold and green balloons. 20 green balloons burst. She then increased the number of gold balloons by 75%. After that, Leah had a total of 48 balloons. How many green balloons did she have at first?
|
Gold |
Green |
Total |
Before |
4 u |
|
53 |
Change |
+ 3 u |
- 20 |
- 5 |
After |
7 u |
|
48 |
75100 =
34Decrease in the number of balloons
= 53 - 48
= 5
3 u = 20 - 5
3 u = 15
1 u = 15 ÷ 3 = 5
Number of gold balloons at first
= 4 u
= 4 x 5
= 20
Number of green balloons at first
= 53 - 20
= 33
Answer(s): 33