Nora had 6 times as many erasers as Tina at first. After Nora gave 45 erasers to Tina, they each had the same number of erasers in the end. How many erasers did Tina have in the end?
| |
Nora |
Tina |
| Before |
6 u |
1 u |
| Change |
- 45 |
+ 45 |
| After |
6 u - 45 |
1 u + 45 |
Comparing Nora and
Tina in the end |
1 |
1 |
The number of erasers that Nora and Tina had in the end is equal.
6 u - 45 = 1 u + 45
6 u - 1 u = 45 + 45
5 u = 90
1 u = 18
Number of erasers that Tina had in the end
= 1 u + 45
= 18 + 45
= 63
Answer(s): 63
