Mathematics, 12.10.2019 06:30 hannaboo53
There are red and blue balls in a bag. the number of blue balls is 27 and the red balls are 4/ 7 of all balls. what is the total number of balls in the bag?
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There are red and blue balls in a bag. the number of blue balls is 27 and the red balls are 4/ 7 of...
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