Answer:
2125000
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Answer:
7/145
Step-by-step explanation:
We have
9 chocolate chip cookies
7 peanut butter cookies
7 sugar cookies
7 oatmeal raisin cookies.
9+7+7+7 = 30 cookies.
What is the probability that Krystal randomly selects a peanut butter cookie from the bag, eats it, then randomly selects another peanut butter cookie?
Initially, there are 30 cookies, 7 of which are peanut butter cookies. So the probability that Krystal selects a peanut butter from the bag is 7/30.
Suppose she selected the peanut butter cookie. Now there are 29 cookies, of which 6 are peanut butter. So the probability that the second one is a peanut butter cookie is 6/29.
Probability that both are peanut butter cookies:
Multiplication

To compare the values,you must first calculate each given situation. The area of any given rectangle is length times width.
a) if w=6 and l=8
A= l*w = 8*6 = 48
b) if w=7 and l=7
A= l*w = 7*7 = 49
Therefore, the second case would yield a larger area. The answer would be w=7 and l=7. Total area would be 49 square units.
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