In a group of students, the ratio of students wearing red shirts to students wearing blue shirts is 5.28. the ratio of students wearing yellow shirts to blue shirts is 4.36. write the ratio of students wearing red shirts to students wearing blue shirts as a fraction in simplest form.

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.