Math, asked by ayushkashyap1347, 1 year ago

If the average of 20 numbers is 6. if every number is multiply by 11 then what is the new average

Answers

Answered by TeenTitansGo
3
New Average = 11 × old Average


New Average = 11 × 6

New Average = 66




 \mathbf{explanation}


average \:  =  \frac{sum \: of \: 20  \: number}{20}  \\  \\  => 6 \times 20 = sum \: of \: 20 \:  \: numbers \\  \\  when \: each \: number \: is \: multiplied \:by \: 11 \\  \\  \\ average \:  =  \frac{11 \times sum \: of \: 20 \: numbers}{20}  \\  \\  = > average \:  =  \frac{11 \times 6 \times 20}{20}  \\  \\


New Average = 66
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