Question

I need help with 43. . . .

Answer 1

The Correct answer to your question would be LETTER b!!

Answer 2

Answer:

B

Step-by-step explanation:

You have 3 red marbles and say x non-red marbles. Then you get the following equation:

$\frac{3}{3+x} = \frac{1}{5}$

We can solve this equation by doing cross multiplication:

$3*5 = 3 + x$

And solve for x to be 12.