The answer is B. Y= 3/4x-1
Answer:

Step-by-step explanation:
we know that
To find the ratio of yellow to red marbles, divide the numbers of yellow marbles by the number of red marbles
Let
x-----> the numbers of yellow marbles
y----> he number of red marbles
we have

so

Answer:
sorry I cannot understand that
Answer:
It's either 400 or 1,200.
Step-by-step explanation:
Other people are saying 400, I got 1,200 by multiplying 1,600 to 0.75 which gave me that answer. I do not know how other people got 400.