Xandra had
411 as much money as Fanny. Xandra received another $45 from her uncle and Fanny received $3 from her aunt. In the end, Xandra had $7 more than Fanny. How much did the girls have altogether in the end?
| |
Xandra |
Fanny |
| Before |
4 u |
11 u |
| Change |
+ 45 |
+ 3 |
| After |
4 u + 45 |
11 u + 3 |
If Fanny received another $7 in the end, she would have the same amount of money as Xandra.
11 u + 3 + 7 = 4 u + 45
11 u + 10 = 4 u + 45
11 u - 4 u = 45 - 10
7 u = 35
1 u = 35 ÷ 7 = 5
Amount that the girls had in the end
= 4 u + 45 + 11 u + 3
= 4 u + 11 u + 45 + 3
= 15 u + 48
= 15 x 5 + 48
= $123
Answer(s): $123
