03-01-2015
Mathematics

Answered

the ratio of blue marbles to white marbles in a bag is 4 to 5 . at this rate, how many blue marbles are there if there are 15 white marbles

Answer :

Аноним Аноним

03-01-2015

4:5 = x : 15
let x be blue marbles
4(15) = 5x
x = 12
therefore 12 blue marbles

Answer Link

briemodee525 briemodee525

03-01-2015

4/5 = B/W = B/15
B = 4*15/5 = 12

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