Right now Mr. Rob is three times as old as his oldest son. The sum of their ages is 64. How old are they?
Answer all parts to the question below. Be sure to label each part with: a, b, c, d, or e.
a) Write a let statement to represent his son's age.
b) Write a let statement to represent Mr. Robs age.
c) Write an equation with the given information.
d) What is his son's age?
e) How old is Mr. Rob?
a) Let son's age be x.
b) Let Mr. Rob's age be 3x.
x + 3x = 64
4x = 64
x = 16
d) Son's age is 16 years.
e) Mr Rob's age = 3 *16
= 48 years