caps on bottles

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caps on bottles

by sanju09 » Fri Jul 23, 2010 3:52 am
A machine puts c caps on bottles in m minutes. How many hours will it take to put caps on b bottles?
A. 60bm/c
B. bm/60c
C. bc/60m
D. 60b/cm
E. b/60cm

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by kvcpk » Fri Jul 23, 2010 3:53 am
C bottles in m minutes
b bottles x minutes

bm/c minutes
=bm/60c hours

pick B