PSLEAt first, Leah had a total of 59 brown and silver balloons. 13 silver balloons burst. She then increased the number of brown balloons by 80%. After that, Leah had a total of 58 balloons. How many silver balloons did she have at first?
|
Brown |
Silver |
Total |
Before |
5 u |
|
59 |
Change |
+ 4 u |
- 13 |
- 1 |
After |
9 u |
|
58 |
80100 =
45Decrease in the number of balloons
= 59 - 58
= 1
4 u = 13 - 1
4 u = 12
1 u = 12 ÷ 4 = 3
Number of brown balloons at first
= 5 u
= 5 x 3
= 15
Number of silver balloons at first
= 59 - 15
= 44
Answer(s): 44