lilmama235
lilmama235
03-03-2017
Mathematics
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Help me on how to solve it
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Аноним
Аноним
03-03-2017
2r+2=16, r=Ray's age
2r=16-2 (subtract 2 from both sides)
2r=14
2r/2=14/2 (divide both sides by 2)
r=7
5=Diego's age, Sofia is 3 times his age, so
3 x d=15, so she is 15.
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