Mother and daughter 2

The mother is 40 years older than her daughter. How old is the mother if her age is eight thirds age of daughter?

Correct result:

m =  64

Solution:

m=40+d m=8/3⋅d m=64m = 40 + d \ \\ m= 8/3\cdot d \ \\ m = 64

m = 40 + d; m= 8/3d

m = 40 + d
m= 8/3•d

d-m = -40
8d-3m = 0

d = 24
m = 64

Calculated by our linear equations calculator.

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