M=3D

M+10 = 2(D+10)

M+10 = 2D +20

M=2D +10

M=3D

3D =2D +10

D =10 years old now, daughter's age

M=30 years old now, mother's age

in 10 years mother will be 40 and daughter 20

Gel A.

asked • 06/01/21Mother is three times as old as her daughter. Ten years from now, Mother will be two times as old as her daughter. How old are they now?

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M=3D

M+10 = 2(D+10)

M+10 = 2D +20

M=2D +10

M=3D

3D =2D +10

D =10 years old now, daughter's age

M=30 years old now, mother's age

in 10 years mother will be 40 and daughter 20

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