the mean weight of three students is 40. one of the students ranga weighs 46kg. the other two students, riham and reshma have the same weight. find rahims weight.
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37kg is the weight of rahim or riham
let the weight of riham and reshma be x
x+x+46/3=40
2x+46/3=40
2x+46=120
2x=120-46
x= 74/2
= 37
let the weight of riham and reshma be x
x+x+46/3=40
2x+46/3=40
2x+46=120
2x=120-46
x= 74/2
= 37
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