You have two loans, for 2 years each. the total interest for the two loans is $138. on the first loan, you pay 7.5% simple interest on a principle of $800. on the second loan, you pay 3% simple interest. write an equation used to find the principal for the second loan.

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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.

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