QUESTION 17 The sum of two numbers is 53. The larger number is 1 less than 2 times the smaller. What are the two numbers?
A. 20 and 33
B. 19 and 34
C. 18 and 35
D. 17 and 36
QUESTION 19
Four times a number, x, plus 3 times a number, y, equals 75. Five times x minus 3 times y equals 6. Find the numbers by setting up a system of linear equations and solving the system using the elimination method.
A. = -7, y = 12
B.x = 6, y = 14
C. x = 8, y= 11
D. x = 9, y = 13
QUESTION 22
Identify the critical points, or coordinates of the vertices of the solution region, for the system, X>0, Y>0, X+Y<5 .
A. (0, 0), (0, -5), (-5, 0)
B. (0, 0), (5, 5), (-5, -5)
C. (0, 0), (0, 5), (5, 0)
D. (0, 0), (5, -5), (-5, 5)