Chess pieces
The box contains five black chess pieces. How many white pieces should we add to it so that the probability of pulling out a black piece is 1:4?
Correct answer:
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Do you have a linear equation or system of equations and are looking for its solution? Or do you have a quadratic equation?
Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
combinatoricsalgebrabasic operations and conceptsGrade of the word problem
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