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.
Answer:
3.68
Step-by-step explanation:
Answer:
3.68
Step-by-step explanation:
you put the higher number on top then you take out the decimal. when you do the math, then you count how many numbers are in the decimal area and put the demimals how many numberes it is.