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Ken had a number of colored marbles in a bag. 1/4 of the marbles were red, 2/3 of the marbles were blue, and the rest were yellow. Given that there were 120 red and yellow marbl…
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Ken had a number of colored marbles in a bag. 1/4 of the marbles were red, 2/3 of the marbles were blue, and the rest were yellow. Given that there were 120 red and yellow marbl…
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Jun 20, 2018
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ken had a number of colored marbles in a bag. 1/4 of the marbles were red, 2/3 of the marbles were blue, and the rest were yellow. Given that there were 120 red and yellow marbles all together, how many marbles were there in the bag
Mathematics
middle-school
Carlos Liu
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Carlos Liu
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567 your answer is 567
Eugene Myasyshchev
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Jun 20, 2018
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Eugene Myasyshchev
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Red = 1/4
Blue = 2/3
Yellow= ?
First you will need to find how much of the fraction is yellow so:
RED= 1/4 = 3/12
BLUE= 2/3 = 8/12
YELLOW= add 3/12 with 8/12= 11/12
12/12 - 11/12= 1/12
so the yellow marbles are 1/12
yellow + red = 120
1/12 + 3/12= 120
4/12= 120
so 4/12 of the marbles are 120
how much is 8/12?
120 x 2= 240
now:
red + yellow = 120
blue= 240
how many are in the bag? 120 + 240 = 360
answer: 360
I don't know if this is correct. but I tried. hope this helped:)
Arindam
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Jun 25, 2018
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Arindam
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