Answer:
Robin= 750
Sharon= 720
Step-by-step explanation:
let the total marks obtained be X
from question, Robin = 5X/6
Shaon= 4X/5
then, 5X/6= 4X/5+30
or, 5X/6= 4X+150/5
or 25X=24x+900
or,X= 900
therefore robin=750
Shaon = 720
Answer:
There is no correct answer
Step-by-step explanation:
4x+20
2x+6
4x+20=2x+6
4x–2x=6–20
2x=–14
x=–7
Answer:
.48
Step-by-step explanation: