Anna had 120 balloons.
14 of the balloons burst and she gave away
56 of the good balloons. How many balloons did she have left?
| |
Good balloons |
Burst balloons |
Total balloons |
Comparing good and
burst balloons at first |
3x2 =
6 u
|
1x2 =
2 u
|
4x2 =
8 u
|
| Before |
6 u |
2 u |
|
| Change |
- 5 u |
|
|
| After |
1 u |
2 u |
|
The number of good balloons is repeated. Make the number of good balloons the same. LCM of 3 and 6 is 6.
Total number of balloons at first = 8 u
1 u = 120 ÷ 8 = 15
Number of balloons that Anna had left
= 1 u
= 15
Answer(s): 15
