Cindy and Nora had the same amount of money at first. After Cindy gave $420 to her nephew, Nora had 8 times as much money as Cindy. How much did Cindy have in the end?
| |
Cindy |
Nora |
| Before |
1x8 =
8 u |
1x8 =
8 u |
| Change |
- $420 |
|
| After |
1 u |
8 u |
The amount that Nora had at first and in the end remains unchanged. Make the amount that Nora had the same. LCM of 1 and 8 is 8.
Amount that Cindy gave to her nephew
= 8 u - 1 u
= 7 u
7 u = 420
1 u = 420 ÷ 7 = 60
Amount that Cindy had in the end
= 1 u
= $420
Answer(s): $420
