Mom and daughter

The mother is 39 years old, and her daughter is 15. Will the mother be four times older than the daughter for many years?

Correct answer:

x =  -7

Step-by-step explanation:

39+x=4 (15+x)  3x=21  x=321=7  x=7



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Showing 1 comment:
Superboy
Q: Good explanation

A: -7 means that this moment was 7 years before.





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