Answer:
c.
Step-by-step explanation:
Answer:
16
Step-by-step explanation:

Answer:
C - 8
Step-by-step explanation:
153 - 81 = 72
72 ÷ 9 = 8
Sydney's age = x
Devaughn's age= 3x
So you get the equation:
x+3x=24
4x=24 (combine like terms)
x=6 (divide both sides by 4)