the average weight of 30 students in a class is 64 kgs.when 20 new students are admitted ,the average weight is reduced by 2kgs Find the average weight of new students.
I need the answer not anything else
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55 kg
Explain-
Step1 60=x/30
x=1800kg
Step2
58=(1800+y)/50
y=58*50-1800=1100
z=y/20=1100/20=55kg
*Please mark me brainlest*
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