Tammy's salary to Lynn's salary is 5 : 7. If Tammy spends
47 of her salary, Lynn will have $2380 more than her. How much salary does Tammy have?
| |
Tammy |
Lynn |
Comparing Tammy
and Lynn at first |
5x7 =
35 u |
7x7 =
49 u |
Before |
7x5 =
35 u |
|
Change |
- 4x5 =
- 20 u |
|
After |
3x5 =
15 u |
49 u |
Comparing Tammy
and Lynn in the end |
|
$2380 more |
Tammy's salary at first is repeated. Make Tammy's salary at first the same. LCM of 5 and 7 is 35.
Amount that Lynn will have more than Tammy in the end
= 49 u - 15 u
= 34 u
34 u = 2380
1 u = 2380 ÷ 34 = 70
Tammy's salary
= 35 u
= 35 x 70
= $2450
Answer(s): $2450
