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imc

prealgebra junior

Problem

When Ringo places his marbles into bags with 6 marbles per bag, he has 4 marbles left over. When Paul does the same with his marbles, he has 3 marbles left over. Ringo and Paul pool their marbles and place them into as many bags as possible, with 6 marbles per bag. How many marbles will be leftover?
(A)
(B)
(C)
(D)
Solution
In total, there were marbles left from both Ringo and Paul.We know that . This means that there would be marble leftover, or .
Final answer
A