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3/4 of the boats in the marina are white, 4/7 of the boats are blue, the rest are red. If there are nine red boats, how many boats are in the Marina?

 May 27, 2021
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(1 - 3/4 - 4/7 ) x = 9

 

There is a mistake in this question     3/4 + 4/7 = ( 21+ 16)/ 28 = 37/28     which is greater than one...cannot be.

 May 27, 2021

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