Mrs. levi's class raised $217.35 in one-time donations for the library's new book collection. the class also had 4 people pledge to donate $150 over the next year to support the library. including the pledges, how much money did mrs. levi's class raise?

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.