PSLELayla, Leah and John shared $320. Leah received 50% more than Layla while John received 30% less than Layla. How much more than John did Leah receive?
Layla |
Leah |
John |
Total |
100% |
150% |
|
|
100% |
|
70% |
|
10 u |
15 u |
7 u |
32 u |
Layla : Leah : John
100 : 150 : 70
(÷10)10 : 15 : 7
Layla is the repeated identity.
Total amount that they shared
= 10 u + 15 u + 7 u
= 32 u
32 u = 320
1 u = 320 ÷ 32 = 10
Amount that Leah received more than John
= 15 u - 7 u
= 8 u
= 8 x 10
= $80
Answer(s): $80