The packaging lists a model airplane’s length as 10.5 in. it also gives the scale as 1: 83. what is the length of the actual airplane to the nearest foot?

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.