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a jar contains marbles of 4 different colors. the number of blue marbles is three times as many as the yellow ones. the number of red marbles is half of that of yellow ones. the number of orange marbles is equal to the number of red ones. what percentage of the marbles is yellow in color? a jar contains marbles of 4 different colors. the number of blue marbles is three times as many as the yellow ones. the number of red marbles is half of that of yellow ones. the number of orange marbles is equal to the number of red ones. what percentage of the marbles is yellow in color? a jar contains marbles of 4 different colors. the number of blue marbles is three times as many as the yellow ones. the number of red marbles is half of that of yellow ones. the number of orange marbles is equal to the number of red ones. what percentage of the marbles is yellow in color? a jar contains marbles of 4 different colors. the number of blue marbles is three times as many as the yellow ones. the number of red marbles is half of that of yellow ones. the number of orange marbles is equal to the number of red ones. what percentage of the marbles is yellow in color? a] 10 b]15 c]20 d] 21.1

b=3y, r=y/2=>r=2y, o=r=2y let y be 1 and solve

let yellow marbles are 2, then blue will be 6, Red will be 1, orange will be 1, Total 10. 2out of 10 I.e. 20%

yellow - x blue - 3x red - x/2 orange - x/2 total - x/2 + x/2 + 3x + x = 5x yellow = (x /5x ) X 100 = 20 %

at-most-100-students-at-a-certain-school-study-mathematics-if-at-most-434406.html can anyone help with this question? why is it archived, posted by @bunuel ? due to poor quality or already posted elsewhere this is a DS butler qs

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