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mathwizard2134
mathwizard2134 mathwizard2134
  • 11-01-2017
  • Mathematics
Answered

I NEED HELP ON NUMBER 7

I NEED HELP ON NUMBER 7 class=

Verified Answer :

BéatriceRoseMacduff
BéatriceRoseMacduff BéatriceRoseMacduff
  • 22-01-2017

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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