Gillian's savings is 40% more than David's savings. If Gillian's savings is decreased by 40%, their total savings will be $920. How much is Gillian's savings?
| |
Gillian |
David |
| Before |
7 u |
5 u |
| Change |
- 2.8 u |
|
| After |
4.2 u |
5 u |
David's savings in percentage = 100%
Gillian's savings in percentage
= 100% + 40%
= 140%
140% =
140100 =
75Gillian's saving after a decrease by 40% in percent
= 100% - 40%
= 60%
Gillian'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 Gillian
= 4.2 u + 5 u
= 9.2 u
9.2 u = 920
1 u = 920 ÷ 9.2 = 100
Gillian's savings
= 7 u
= 7 x 100
= $700
Answer(s): $700
