Rachel's salary to Anna's salary is 7 : 8. If Rachel spends
34 of her salary, Anna will have $2250 more than her. How much salary does Rachel have?
| |
Rachel |
Anna |
Comparing Rachel
and Anna at first |
7x4 =
28 u |
8x4 =
32 u |
Before |
4x7 =
28 u |
|
Change |
- 3x7 =
- 21 u |
|
After |
1x7 =
7 u |
32 u |
Comparing Rachel
and Anna in the end |
|
$2250 more |
Rachel's salary at first is repeated. Make Rachel's salary at first the same. LCM of 7 and 4 is 28.
Amount that Anna will have more than Rachel in the end
= 32 u - 7 u
= 25 u
25 u = 2250
1 u = 2250 ÷ 25 = 90
Rachel's salary
= 28 u
= 28 x 90
= $2520
Answer(s): $2520
