Can one help me solve this formula? Solve the formula for r. i = prt

Find r when i = 250, p = 1500, and t = 5. Express your answer as a decimal rounded to the nearest hundredth.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

The graph of the the function f(x) is given below. find [tex]\lim_{x \to 0\zero} f(x)[/tex] [tex]\lim_{x \to 1+\oneplus} f(x)[/tex] [tex]\lim_{x \to 0-\zeroneg} f(x)[/tex]