A sack contains red and blue marbles. The ratio of red marbles to blue marbles is 4:3. If there are 16 red marbles in the sack, how many blue marbles are in the sack?

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Answer 1 · 2017-06-28T11:31:31

Blue marbles = 12

#Ratio = 4:3#

#Ratio = (4-> color(red)(red))/(3->color(blue)(blue))#

Let #x# represent the no. of blue marbles..

#:.# #4/3 = 16/x#

#4 xx x = 16 xx 3#

#4x = 48#

#x = 48/4#

#x = 12#