Jean's salary to Tammy's salary is 5 : 7. If Jean spends
56 of her salary, she will have $3330 less than Tammy. How much salary does Tammy have?
| |
Jean |
Tammy |
Comparing Jean
and Tammy at first |
5x6 =
30 u |
7x6 =
42 u |
Before |
6x5 =
30 u |
|
Change |
- 5x5 =
- 25 u |
|
After |
1x5 =
5 u |
42 u |
Comparing Jean
and Tammy in the end |
|
$3330 less |
Jean's salary at first is repeated. Make Jean's salary at first the same. LCM of 5 and 6 is 30.
Amount that Jean will have less than Tammy in the end
= 42 u - 5 u
= 37 u
37 u = 3330
1 u = 3330 ÷ 37 = 90
Tammy's salary
= 42 u
= 42 x 90
= $3780
Answer(s): $3780
