November 29, 2015

Homework Help: math

Posted by Gorege on Thursday, December 16, 2010 at 9:17pm.

to identical jars are filled with equal amount of marbles. the marbles are coloured red or white. the ratio of red to white marblesis 7:1 in jar 1 and 9:1 in jar 2 if there are 90 marbles altogether, determin the number of red marbles in jar 2.

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