Which equation is equivalent to 24x - 84-8?
1 answer:
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Answer:
The answer is "40 nickels/standard coins"
Step-by-step explanation:
The ratio of 40 nickels/standard coins is constant, that is 1 roll with coins per 40 nickels, that's why the equation is y = 40
Whenever the questions asks for the probability and has "or" you have to add the two probabilities. In the same way, "and" implies multiplication. Therefore, the probability that someone swims is:
Probability that someone runs:
Thus, if you add them:
So, the probability that someone swims <em>or</em> runs is 1/2 or 50%.
Probability that someone runs:
Thus, if you add them:
So, the probability that someone swims <em>or</em> runs is 1/2 or 50%.