There are two students Mark and John. If John scored 1050 in his test and received 70% and John received Mark received twice as less as John, then what is?
a) The total marks
b) the marks obtained by John and Mark.

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

v

Step-by-step explanation:

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

5 Victor knows that 2 + 7 = 7+2 and 2•7= 7•2

a

Step-by-step explanation:

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6