PSLEAt first, Leah had a total of 52 white and pink balloons. 11 pink balloons burst. She then increased the number of white balloons by 75%. After that, Leah had a total of 47 balloons. How many pink balloons did she have at first?
|
White |
Pink |
Total |
Before |
4 u |
|
52 |
Change |
+ 3 u |
- 11 |
- 5 |
After |
7 u |
|
47 |
75100 =
34Decrease in the number of balloons
= 52 - 47
= 5
3 u = 11 - 5
3 u = 6
1 u = 6 ÷ 3 = 2
Number of white balloons at first
= 4 u
= 4 x 2
= 8
Number of pink balloons at first
= 52 - 8
= 44
Answer(s): 44