A bag contains 50 marbles. Marsha chooses a marble, records its color, and then puts the marble back into the bag. Marsha repeats this process and records 7 red marbles and 3 yellow marbles. What is the ratio of the number of red marbles to the number of yellow marbles she chooses?

step-by-step explanation:

try remembering the steps

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answer. d.289 hope that

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two