The first image with the answers are right but the second image is blank
The probability that both marbles will be a red color is:
6..... ⇔ number that satisfies the constraint
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15..... ⇔ number of outcomes
450 is the total amount of money and it is divided by 75 to get the total number of books possible under that amount per book. The reason four is added is that it is stated that four of the books necessary are to be taken from a library for free. Therefore, when solved, b is equal to 10
1/4 0.6 0.9 1 8/5 4 Hope this helps.