A mountainer climbed 1000' at a rate of X feet per hour. He climbed in additional 5000' at a different rate. This rate was 10' per hour less than twice the 1st rate. Which expression represents the number of hours to mountainer climbed?

A Mountainer Climbed 1000 At A Rate Of X Feet Per Hour He Climbed In Additional 5000 At A Different Rate This Rate Was 10 Per Hour Less Than Twice The 1st Rate class=

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