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Home Q & A Board Science-Related Homework Help Mathematics
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buffzyzz buffzyzz
wrote...
12 years ago
Isolate and solve for r:

(0.30-r)/(r) = (q2)/(q1)

q2 and q1 are known values, so they're not variables.
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wrote...
#1
12 years ago
go to your local library they have tutors!
wrote...
#2
12 years ago
0.30-r/r = q2/q1
(0.30/r)-1 = q2/q1
0.30/r = (q2/q1)+1
r = (0.30)/((q2/q1)+1)
r = (0.30)/((q2+q1)/q1)
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