Esther and Emma had the same number of mochi balls at first. After Esther received another 98 mochi balls and Emma gave away 28 mochi balls, Esther had 4 times as many mochi balls as Emma. How many mochi balls did each of them have at first?
| |
Esther |
Emma |
| Before |
4 u - 98 |
1 u + 28 |
| Change |
+ 98 |
- 28 |
| After |
4 u |
1 u |
Esther and Emma had the same number of mochi balls at first.
4 u - 98 = 1 u + 28
4 u - 1 u = 28 + 98
3 u = 126
1 u = 126 ÷ 3 = 42
Number of mochi balls that each of them at first
= 42 + 28
= 70
Answer(s): 70
