Winnie's salary to Gabby's salary is 7 : 8. If Winnie spends
34 of her salary, she will have $750 less than Gabby. How much salary does Gabby have?
| |
Winnie |
Gabby |
Comparing Winnie
and Gabby at first |
7x4 =
28 u |
8x4 =
32 u |
Before |
4x7 =
28 u |
|
Change |
- 3x7 =
- 21 u |
|
After |
1x7 =
7 u |
32 u |
Comparing Winnie
and Gabby in the end |
|
$750 less |
Winnie's salary at first is repeated. Make Winnie's salary at first the same. LCM of 7 and 4 is 28.
Amount that Winnie will have less than Gabby in the end
= 32 u - 7 u
= 25 u
25 u = 750
1 u = 750 ÷ 25 = 30
Gabby's salary
= 32 u
= 32 x 30
= $960
Answer(s): $960
