Question
165 grapefruits are kept in 3 boxes. The 1st box contains 21 more grapefruits than the 2nd box. The 2nd box contains 4 times as many grapefruits as the 3rd box. How many grapefruits are there in the 3rd box?
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165 grapefruits are kept in 3 boxes. The 1st box contains 21 more grapefruits than the 2nd box. The 2nd box contains 4 times as many grapefruits as the 3rd box. How many grapefruits are there in the 3rd box?