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Mathematics 16 Online
OpenStudy (cherryfrost27):

simone's age is 4/5 of her sisters age , what fraction of the total age of both girls is her sisters age?

OpenStudy (benji):

I am not sure if I did this right, it is really confusing but first let's think of what ages they could be okay? If Simone is 4/5 of her sister's age, how old do you think they are? It helps to find ages that are divisible by 5 to keep it simple.

OpenStudy (benji):

Let's say Simone's sister is 25, how old is Simone?

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