Derrinet lives 4.8 miles from the candy store which lies between Derrinet's house and school. The total distance from Derrinet's
house to school if 6.9 miles. Write an equation that reflects the total
distance from the candy store to the school,

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.