math

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If r=t/2 and t=w/2, what is (r+w) in terms of t?

(A)t
(B)t^2
(C)3t/2
(D)5t/2
(e)5t/4

Please show work. Thanks.

  • math -

    from the second,
    w = 2t

    so r+w = t/2 + 2t
    = 3t/2 after finding a common denominator

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