...taxes. If he earns $8...? an hour after all payroll deductions have been made, how many hours will he have to work in order to have exactly enough money to buy the stero system?
(a) 20
(b) 24
(c) 25
(d) 30
(e) 40
2. If x and y are positive integers, 2x + y < 29 and y > 4, what is the greatest possible value of x - y?
(a) 5
(b) 6
(c) 7
(d) 8
(e) 9
3. If x and y are positive integers, and 3x + 2y = 21, what is the sum of all possible values of x?
PLEASE EXPLAIN YOUR ANSWERS!!
(a) 20
(b) 24
(c) 25
(d) 30
(e) 40
2. If x and y are positive integers, 2x + y < 29 and y > 4, what is the greatest possible value of x - y?
(a) 5
(b) 6
(c) 7
(d) 8
(e) 9
3. If x and y are positive integers, and 3x + 2y = 21, what is the sum of all possible values of x?
PLEASE EXPLAIN YOUR ANSWERS!!