Cathy's savings is 20% more than Vaidev's savings. If Cathy's savings is decreased by 20%, their total savings will be $1421. How much is Cathy's savings?
| |
Cathy |
Vaidev |
| Before |
6 u |
5 u |
| Change |
- 1.2 u |
|
| After |
4.8 u |
5 u |
Vaidev's savings in percentage = 100%
Cathy's savings in percentage
= 100% + 20%
= 120%
120% =
120100 =
65Cathy's saving after a decrease by 20% in percent
= 100% - 20%
= 80%
Cathy'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 Cathy
= 4.8 u + 5 u
= 9.8 u
9.8 u = 1421
1 u = 1421 ÷ 9.8 = 145
Cathy's savings
= 6 u
= 6 x 145
= $870
Answer(s): $870
