Tammy had
25 as much money as Wendy. Tammy received another $45 from her father and Wendy received $4 from her aunt. In the end, Tammy had $2 more than Wendy. How much did the girls have altogether in the end?
| |
Tammy |
Wendy |
| Before |
2 u |
5 u |
| Change |
+ 45 |
+ 4 |
| After |
2 u + 45 |
5 u + 4 |
If Wendy received another $2 in the end, she would have the same amount of money as Tammy.
5 u + 4 + 2 = 2 u + 45
5 u + 6 = 2 u + 45
5 u - 2 u = 45 - 6
3 u = 39
1 u = 39 ÷ 3 = 13
Amount that the girls had in the end
= 2 u + 45 + 5 u + 4
= 2 u + 5 u + 45 + 4
= 7 u + 49
= 7 x 13 + 49
= $140
Answer(s): $140
