madelinehernandez041
madelinehernandez041 madelinehernandez041
  • 16-08-2019
  • Mathematics
contestada

mary is three times older than seth is. if their ages total 76, how old is mary. Please answer ASAP

Respuesta :

TheBlueFox
TheBlueFox TheBlueFox
  • 16-08-2019

Mary = 3x

Seth = X

If we know that Mary is three times older than Seth, we can set this up into an equation.

3x + x = 76

Now, we can simplify on the left side by adding the Xs together.

4x = 76

X = 19

Therefore, Seth is 19 years old and Mary is 57 years old.

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