Kimberly and Betty had the same number of mochi balls at first. After Kimberly received another 130 mochi balls and Betty gave away 10 mochi balls, Kimberly had 5 times as many mochi balls as Betty. How many mochi balls did each of them have at first?
| |
Kimberly |
Betty |
| Before |
5 u - 130 |
1 u + 10 |
| Change |
+ 130 |
- 10 |
| After |
5 u |
1 u |
Kimberly and Betty had the same number of mochi balls at first.
5 u - 130 = 1 u + 10
5 u - 1 u = 10 + 130
4 u = 140
1 u = 140 ÷ 4 = 35
Number of mochi balls that each of them at first
= 35 + 10
= 45
Answer(s): 45
