Jose rode 180 miles certain speed. If he cycled 5 mph faster, he would have reduced time by 3 hours. Find Jose's cycling rate. (D/R=T)?

In 6 days the helper does 6/30 = 1/5 of the job. The dudette does 4/5 of the job in 10+6 = 16 days. This is equivalent to 1/5 of the job in 16/4 = 4 days or the whole job in 5x4 = 20 days.

ANSWER : the dudette can finish the whole job on her own in 20 days.

Helper alone = 30 days So helper alone in 6 days does 6/30 =1/5 of the work So dudette finishes 4/5 of the work in (10+6) = 16 days So dudette alone will take 5/4 X16 = 20 days ANSWER.

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