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2/5 of total number of students of a school come by car 1/4 of students come by bus to school. all the other students walk to school of 1/3 walk on their own and the rest are escorted by their parents. if 224 students come to school walking on their own, how many students study in that school ? FULLY SOLVED ANSWERS... REQUIRED |
Answer» LET there be X students in the school.Let there be x students in the school.2/5 of x by carLet there be x students in the school.2/5 of x by car1/4 of x by busLet there be x students in the school.2/5 of x by car1/4 of x by busRemaining = x - (2x/5 + x/4)Let there be x students in the school.2/5 of x by car1/4 of x by busRemaining = x - (2x/5 + x/4) = 7x/20Let there be x students in the school.2/5 of x by car1/4 of x by busRemaining = x - (2x/5 + x/4) = 7x/201/3 of 7x/20 = 7x/60 -> WALK on their ownLet there be x students in the school.2/5 of x by car1/4 of x by busRemaining = x - (2x/5 + x/4) = 7x/201/3 of 7x/20 = 7x/60 -> walk on their ownRemaining = 7x/30 -> escorted by parentsLet there be x students in the school.2/5 of x by car1/4 of x by busRemaining = x - (2x/5 + x/4) = 7x/201/3 of 7x/20 = 7x/60 -> walk on their ownRemaining = 7x/30 -> escorted by parents7x/60 = 224Let there be x students in the school.2/5 of x by car1/4 of x by busRemaining = x - (2x/5 + x/4) = 7x/201/3 of 7x/20 = 7x/60 -> walk on their ownRemaining = 7x/30 -> escorted by parents7x/60 = 224x = 1920 |
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