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18 June, 00:44

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?

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  1. 18 June, 04:09
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    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.
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