Tammy had 6 times as many erasers as Victoria at first. After Tammy gave 15 erasers to Victoria, they each had the same number of erasers in the end. How many erasers did Victoria have in the end?
| |
Tammy |
Victoria |
| Before |
6 u |
1 u |
| Change |
- 15 |
+ 15 |
| After |
6 u - 15 |
1 u + 15 |
Comparing Tammy and
Victoria in the end |
1 |
1 |
The number of erasers that Tammy and Victoria had in the end is equal.
6 u - 15 = 1 u + 15
6 u - 1 u = 15 + 15
5 u = 30
1 u = 6
Number of erasers that Victoria had in the end
= 1 u + 15
= 6 + 15
= 21
Answer(s): 21
