19 is the median of the numbers
The answer is D. 0.6666666.
110-8.75= 101.25. 101.25 divided by 9 = 11.25. Each pizza cost 11.25
Let’s make an equation
Let’s say x = amount of years after
Smith = 8, mother = 42
3(8 + x) = 42 + x
24 + 3x = 42 + x
2x = 18, x = 9
Solution: after 9 years