Total marbles = 2 + 7 = 9
P(Purple, then white) = (7/9)(2/8) = 7/36
Answer: 7/36
Answer:
I said 24. I hope this helps and works
Answer:
A rational number is a number such as -3/7 that can be expressed as the quotient or fraction a/b of two integers, a numerator q and a non-zero denominator b. Every integer is a rational number: for example, 10 = 10/1.
There is more then one answer, but one answer is 5 adult tickets and 3 children tickets. (5×3)+(3×2)=21