Roshel had 4 times as many erasers as Hilda at first. After Roshel gave 12 erasers to Hilda, they each had the same number of erasers in the end. How many erasers did Roshel have at first?
| |
Roshel |
Hilda |
| Before |
4 u |
1 u |
| Change |
- 12 |
+ 12 |
| After |
4 u - 12 |
1 u + 12 |
Comparing Roshel and
Hilda in the end |
1 |
1 |
The number of erasers that Roshel and Hilda had in the end is equal.
4 u - 12 = 1 u + 12
4 u - 1 u = 12 + 12
3 u = 24
1 u = 8
Number of erasers that Roshel had at first
= 4 u
= 4 x 8
= 32
Answer(s): 32
