The weight of 85 books is 13 kG
a) what is the weight of 80such books
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Answered by
2
Let the unknown value be 'x'.
85 books = 13kg
80 books = xkg
So, 85 : 13 :: 80 : x - Product of means = product of extremes (This is the formula)
So, 80*13 = 85x
80*13/85 = x
1040/85 = x
12.24 = x
The weight of 80 such books is 12.24kg.
Hope this helps you!
85 books = 13kg
80 books = xkg
So, 85 : 13 :: 80 : x - Product of means = product of extremes (This is the formula)
So, 80*13 = 85x
80*13/85 = x
1040/85 = x
12.24 = x
The weight of 80 such books is 12.24kg.
Hope this helps you!
Answered by
2
The weight of 85 books is 13kg
So the weight of 1 book will be 13/85
Thus weight of 80 books will be
13/85 x 80
===> 12.32kg.
Hope it will help..
So the weight of 1 book will be 13/85
Thus weight of 80 books will be
13/85 x 80
===> 12.32kg.
Hope it will help..
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