SOLUTION: Jack is one year older than twice Ben’s age. Frank is three years younger than Jack. Write an expression for Frank’s H in relation to Ben’s age

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Question 1147131: Jack is one year older than twice Ben’s age. Frank is three years younger than Jack. Write an expression for Frank’s H in relation to Ben’s age
Answer by ikleyn(52784) About Me  (Show Source):
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Start from


    F = J - 3    (1)    ("Frank  is three years younger than Jack")


From the other side, you are given


    J = 2B + 1   (2)    ("Jack is one year older than twice Ben’s age")


Substitute (2) into (1). You will jet


    F = (2B + 1) - 3,


which is


    F = 2B - 2.        ANSWER