... numbers are 15 , 16 , 17 , 18 , and 19 .Exercise 3 1. (A)6 12 0 72 08 12 5 10 00 10 11 6 11 6024 2880 12 0()=()=()=)2. (C)360 18 0455 220 7 400 57 1 7 ()=()=),which is 57 .1 to the nearest ... requiredsalary $ 375 . 1. (C) The integers are 1, 3, 5, 7, 9, 11 , 13 , 15 , 17 , 19 , 21, 23, 25, 27. Since these are evenlyspaced, the average is the average of the twomiddle numbers 13 and 15 , or 14 .2. ... Solve for x: .6x + .2y = 2.2.5x – .2y = 1. 1(A) 1 (B) 3(C) 30(D) 10 (E) 11 3. Solve for y: 2x + 3y = 12 b3x – y = 7b(A) 7 1 7 b(B) 2b(C) 3b(D) 1 2 7 (E) –b4. If 2x = 3y and 5x + y = 34,...