Nora had
25 as much money as Diana. Nora received another $112 from her nephew. In the end, Nora's money became 1
13 of what Diana had. How much did Nora have at first?
|
Nora |
Diana |
Before |
2x3 = 6 u |
5x3 = 15 u |
Change |
+ $112 |
|
After |
4x5 = 20 u |
3x5 = 15 u |
1
13 =
43The amount that Diana had at first and in the end remains unchanged. Make the amount that Diana had the same. LCM of 3 and 5 is 15.
Amount that Nora received
= 20 u - 6 u
= 14 u
14 u = 112
1 u = 112 ÷ 14 = 8
Amount that Nora had at first
= 6 u
= 6 x 8
= $48
Answer(s): $48