Separate an order of 23 light fixture so that the number of fluorescent light fixture will be 19 fewer than twice the number of incandescent light fixtures.
A) 17 fluorescent & 6 incandescent
B) 14 fluorescent & 9 incandescent
C) 9 fluorescent & 14 incandescent
D) 11 fluorescent & 12 incandescent
E) 16 fluorescent & 7 incandescent

Question

Quizplus · Accepted Answer

Let x be the number of incandescent fixtures and y be the number of fluorescent fixtures. We have two equations: x + y = 23 and y = 2x - 19. Solving these gives x = 14 and y = 9.

Separate an Order of 23 Light Fixture So That the Number