i spent 22 dollars on school supplies and the pencil box cost 2 dollars less than the notebook and the pens cost 3 times more than the pencils find a variable and describe it and for a algebraic equation and solve it

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.

Solutions for 2x+7 less than or equal to 3x-5

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?