Roshel had 4 times as many erasers as Natalie at first. After Roshel gave 33 erasers to Natalie, they each had the same number of erasers in the end. How many erasers did Roshel have at first?
| |
Roshel |
Natalie |
| Before |
4 u |
1 u |
| Change |
- 33 |
+ 33 |
| After |
4 u - 33 |
1 u + 33 |
Comparing Roshel and
Natalie in the end |
1 |
1 |
The number of erasers that Roshel and Natalie had in the end is equal.
4 u - 33 = 1 u + 33
4 u - 1 u = 33 + 33
3 u = 66
1 u = 22
Number of erasers that Roshel had at first
= 4 u
= 4 x 22
= 88
Answer(s): 88
