PSLEAt first, Leah had a total of 44 blue and pink balloons. 13 pink balloons burst. She then increased the number of blue balloons by 80%. After that, Leah had a total of 39 balloons. How many pink balloons did she have at first?
|
Blue |
Pink |
Total |
Before |
5 u |
|
44 |
Change |
+ 4 u |
- 13 |
- 5 |
After |
9 u |
|
39 |
80100 =
45Decrease in the number of balloons
= 44 - 39
= 5
4 u = 13 - 5
4 u = 8
1 u = 8 ÷ 4 = 2
Number of blue balloons at first
= 5 u
= 5 x 2
= 10
Number of pink balloons at first
= 44 - 10
= 34
Answer(s): 34