PSLEAt first, Leah had a total of 46 silver and gold balloons. 13 gold balloons burst. She then increased the number of silver balloons by 75%. After that, Leah had a total of 39 balloons. How many gold balloons did she have at first?
|
Silver |
Gold |
Total |
Before |
4 u |
|
46 |
Change |
+ 3 u |
- 13 |
- 7 |
After |
7 u |
|
39 |
75100 =
34Decrease in the number of balloons
= 46 - 39
= 7
3 u = 13 - 7
3 u = 6
1 u = 6 ÷ 3 = 2
Number of silver balloons at first
= 4 u
= 4 x 2
= 8
Number of gold balloons at first
= 46 - 8
= 38
Answer(s): 38