Answer:

Step-by-step explanation:
Divide everything by 2
Divide everything by -1 and since y is negative, you flip the sign

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
The first option because you would need to get rid of 2/3 by dividing it on both sides, then you would subtract 57 to get x
Answer:
64 feet
Step-by-step explanation:
L × W= Answer
Therefore
8×8=64