Question

heya

The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks class 9 the highest score is 85.

solve the question​

Answer 1

refer to the attachment ..

Answer 2

Answer:

Step-by-step explanation:

let the highest mark b x and lowest mark be y then the equation will be

x = 2 Y + 7

87=2y+7.

87-7=2y

80=2y.

y=80/2

y=40..marks