blahg blahg
  • 04-01-2015
  • Mathematics
contestada

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

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Аноним Аноним
  • 04-01-2015
4:5 = x : 15
let x be blue marbles
4(15) = 5x
x = 12
therefore 12 blue marbles
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briemodee525 briemodee525
  • 04-01-2015
4/5 = B/W = B/15 
B = 4*15/5 = 12
Answer Link

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