math
posted by Sarah .
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 
Reiny
from the second,
w = 2t
so r+w = t/2 + 2t
= 3t/2 after finding a common denominator
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