Family age calculation

Dad is r years old, and Mom is two years younger. The son is 20 years younger than the father. How old are they?

Final Answer:

x = 3r-22

Step-by-step explanation:

m = r2 s = r20 x = r+m+s x = r+r2+r20 x=3r22



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algebraUnits of physical quantitiesGrade of the word problem

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