Mary's savings is 40% more than Tommy's savings. If Mary's savings is decreased by 40%, their total savings will be $1058. How much is Mary's savings?
| |
Mary |
Tommy |
| Before |
7 u |
5 u |
| Change |
- 2.8 u |
|
| After |
4.2 u |
5 u |
Tommy's savings in percentage = 100%
Mary's savings in percentage
= 100% + 40%
= 140%
140% =
140100 =
75Mary's saving after a decrease by 40% in percent
= 100% - 40%
= 60%
Mary'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 Mary
= 4.2 u + 5 u
= 9.2 u
9.2 u = 1058
1 u = 1058 ÷ 9.2 = 115
Mary's savings
= 7 u
= 7 x 115
= $805
Answer(s): $805
