56, because you times 7 by 2 because Greg has 2 then you times 7 by 10 because then you get the answers 14 and 70 and take them away from each other
Let's make "x" the variable for Maria's age.
And since Maria's father is 20 years older than Maria:
Age of Maria's Father = x + 20.
<span>6d = 108
You would first divide each side by 6 to isolate the variable.
6d = 108
6 6
d = 18
-Gives you thumbs up- </span>
