Gabby's salary to Jane's salary is 3 : 8. If Gabby spends
37 of her salary, Jane will have $3520 more than her. How much salary does Gabby have?
| |
Gabby |
Jane |
Comparing Gabby
and Jane at first |
3x7 =
21 u |
8x7 =
56 u |
Before |
7x3 =
21 u |
|
Change |
- 3x3 =
- 9 u |
|
After |
4x3 =
12 u |
56 u |
Comparing Gabby
and Jane in the end |
|
$3520 more |
Gabby's salary at first is repeated. Make Gabby's salary at first the same. LCM of 3 and 7 is 21.
Amount that Jane will have more than Gabby in the end
= 56 u - 12 u
= 44 u
44 u = 3520
1 u = 3520 ÷ 44 = 80
Gabby's salary
= 21 u
= 21 x 80
= $1680
Answer(s): $1680
