PSLEAt first, Leah had a total of 56 black and gold balloons. 19 gold balloons burst. She then increased the number of black balloons by 75%. After that, Leah had a total of 43 balloons. How many gold balloons did she have at first?
|
Black |
Gold |
Total |
Before |
4 u |
|
56 |
Change |
+ 3 u |
- 19 |
- 13 |
After |
7 u |
|
43 |
75100 =
34Decrease in the number of balloons
= 56 - 43
= 13
3 u = 19 - 13
3 u = 6
1 u = 6 ÷ 3 = 2
Number of black balloons at first
= 4 u
= 4 x 2
= 8
Number of gold balloons at first
= 56 - 8
= 48
Answer(s): 48