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Probability
Level
4
The sum of the two positive integers is 20. Find the chance that their product will be less than 50.
If the answer can be written as a/b find a+b ?
The answer is 23.
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1 solution
In this script x and y represent the two positive integers. x ranges over all possible values such that the sum of the two integers sum to 20. As this happens the code counts how many x and y pairs are possible. The code counts how many pairs have a product less than 50.