Zara's savings is 40% more than Billy's savings. If Zara's savings is decreased by 40%, their total savings will be $1150. How much is Zara's savings?
| |
Zara |
Billy |
| Before |
7 u |
5 u |
| Change |
- 2.8 u |
|
| After |
4.2 u |
5 u |
Billy's savings in percentage = 100%
Zara's savings in percentage
= 100% + 40%
= 140%
140% =
140100 =
75Zara's saving after a decrease by 40% in percent
= 100% - 40%
= 60%
Zara's saving after a decrease by 40% in units
= 60% x 7 u
=
60100 x 7 u
= 4.2 u
Total savings if there is a decrease in salary for Zara
= 4.2 u + 5 u
= 9.2 u
9.2 u = 1150
1 u = 1150 ÷ 9.2 = 125
Zara's savings
= 7 u
= 7 x 125
= $875
Answer(s): $875
