The avg weight of 15 girls was recorded as 54kg if the weight of the teacher was added the avg increased by 2kg what was the teacher's weight
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Step-by-step explanation:
let the weight of teacher be x.
total weight /15 =54
total weight of all girls = 810 kg
(810+x)/16 = 56
x = 56×16 -810
= 896 - 810
= 86 kg
there may be some calculation mistakes but the process is 100% correct.
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