Idon't care about the answer, but how do i do it?

Order 1100000, 314000, 965000, 1890000, from least to greatest.

Three lines meet at a point. set up and solve an equation to find the value of (a) is your answer reasonable? explain how you know

Mrs. robinson bought a novel at a bookstore on sale for 20% off its regular price of $29.99. mr chang bought the same novel at a different bookstore for 10% off its regular price of $25. which person received the better discount?