The number of pencils a machine can make varies directly as the running time of the
machine. If a machine can make 750 pencils in 3 hours, how many hours will it take to
make 100 pencils?
+658 750 pencils in 3 hours
100 pencils in x hours
(750 / 7.5) = 100
(3 / 7.5) = x
Find x
