mathwizard2134
mathwizard2134
12-01-2017
Mathematics
contestada
I NEED HELP ON NUMBER 7
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BéatriceRoseMacduff
BéatriceRoseMacduff
23-01-2017
when Serena is 10 her Mom is 3 times her age so her mom is 30.
30 is 20 years older than 10, so that needs to be the gap between their ages.
if Serena is .5 her moms age her mom is twice get Age.
when her mom is 40 she will be 20
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