You receive 15%of the profit from a car wash. how money do receive from a profit of $300?

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.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Math it's appreciated. (picture provided)