3 years ago

Carly is 3 times her brother's age. The sum of their ages is no more than 24 years

1 answer:

8 0

Brother= b
Carly= 3b
3b+b<24
4b<24
b<24/4
b<6
Brother is no more than 6 years old, Carly is 3*6 so she is no more than 18 years old.

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