Use the given cost table for the same product from two different companies to create a linear system. Then solve the system to determine when the cost of the product will be the same and what will the price be.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220