Mom is 60 years old and daughter is half mom's age. How old was daughter when mom was 4 times her age?
1 answer:
Answer:
10 years old
Step-by-step explanation:
The difference in ages is 60 -30 = 30 years. When mom was 4 times daughter's age, the difference in their ages was 3 times the daughter's age.
The age difference was 30 years at that time, so the daughter was 10 years old.
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