Use a five-step plan to solve the following word problem. Show all five steps in your response:

Doug is twice Anne's age. Doug is 34 years old. How old is Anne?

Doug is twice Anne's age. Doug is 34 years old. How old is Anne?

Doug is twice Anne's age. Doug is 34 years old. How old is Anne?

Represent the unknowns: d for Doug, a for Anne.

Then d=34 years.

Doug is twice Anne's age, so d=2a. But d=34 yrs, so 34 yrs = 2a.

Solve this for a: a = 34 yrs / 2 = 17 yrs

Doug is 34, Anne is 17.