<h3>The exact probability that the blue ball is drawn first and the red ball is drawn second is

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<em><u>Solution:</u></em>
<em><u>The probability of an event is given as:</u></em>

Given that,
There are 12 balls in a bag
One is blue and one is red
Favorable outcome = blue ball is drawn first
Favorable outcome = 1
Therefore,

Now, without replacement, red ball is drawn second
Therefore,
Total possible outcomes = 12 - 1 = 11

<em><u>What is the exact probability that the blue ball is drawn first and the red ball is drawn second?</u></em>

Thus the exact probability that the blue ball is drawn first and the red ball is drawn second is 
The first question is 50% because a total of 30 girls bought lunches out of 60 kids
the second question, the easiest way is to plug in the x and y coordinates
3(4) - 2(0) = 12
12-0=12
12=12
because 12 = 12 is true, the first pair is the answer