The store sold juice for 65¢ per can or 6 cans for $3.36. How much money per can is saved by buying 6 cans at the 6-can price

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.