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on Serena's 10th birthday her mom was 3 times her age.How old will Serena and her mom be when her mom's age times 0.5 equals Seren'a s age ?

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jiayangchang

When Serena is 10, her mom is 310=30. Her mom is 20 years older than Serena.

If her mom's age divided by half is equal to Serena's, then she will be twice as old as Serena.

20 + 20 = 40
20 2 = 40

Serena will be 20, her mom will be 40.

MaybeJayden

Serena's mom would be 60 years old.

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