The probability of picking a black ball first is

, because there are 4 black balls and 1 white ball which is 5 balls in total. After picking the first ball, 4 balls remain - 3 black and 1 white, so the probability of picking a white ball is

.
So, the probability of picking a black ball first followed by a white ball is
Answer:
First you have to convert MG to G, 1 Gram is equal to 1,000 Milligrams. If Julie has eaten a total of 9 Grams of fiber, she would need to eat 11 Grams more to get her recommended amount of Fiber
Step-by-step explanation:
1. Convert Mg to G
2. Add the amount of Grams she has already eaten.
3. Subtract the sum from twenty and multiply the difference by 1,000.
1. Distribute the 6 to the 2x and the -11
12x-22+15=3x+12
2. Combine like terms
12x-7=3x+12
9x=+19
x=19/9
Part B x=19/9
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