Test Your Knowledge 1'; Determine ifthe following points are solutions to the given system of equations. {yZx7=O x _ 5 35)\"; (11} (4.4) 2'; Solve each of the following systems. Determine the exact values, not calculator approximations. _2_"__l a} { 5 3 5 2xy=3 3'; Tickets for the homecoming dance cost $20 for a single ticket or $35 for a couple. Ticket sales totaled $3955, and 128 tickets in total were sold. How many tickets of each type were sold? 41A motor boat traveled 13 miles down a river in two hours but going back upstream, it took 4.5 hours due to the current. Find the rate of the motor boat in still water and the rate of the current. {Round to the nearest hundredth} 51A cashier has 30 bills. all of which are $10 or 520 bills. The total value of the money is $460. How many of each type of bill does the cashier have? 6} A number, x, is 4 more than another number. y. Twice the sum of the two numbers is 64. Set up and solve a system of linear equations to determine the two numbers. k and y. T} A moving company charges a flat rate of $150, and an additional $5 for each box. If a taxi service would charge $20 for each box, how many boxes would you need for it to be cheaper to use the moving company. and what would be the total cost? 8} Find the intersection points oer2 +512 = 1 with line y 2x = 1