Xuan's savings is 20% more than Ahmad's savings. If Xuan's savings is decreased by 20%, their total savings will be $784. How much is Xuan's savings?
| |
Xuan |
Ahmad |
| Before |
6 u |
5 u |
| Change |
- 1.2 u |
|
| After |
4.8 u |
5 u |
Ahmad's savings in percentage = 100%
Xuan's savings in percentage
= 100% + 20%
= 120%
120% =
120100 =
65Xuan's saving after a decrease by 20% in percent
= 100% - 20%
= 80%
Xuan's saving after a decrease by 20% in units
= 80% x 6 u
=
80100 x 6 u
= 4.8 u
Total savings if there is a decrease in salary for Xuan
= 4.8 u + 5 u
= 9.8 u
9.8 u = 784
1 u = 784 ÷ 9.8 = 80
Xuan's savings
= 6 u
= 6 x 80
= $480
Answer(s): $480
