the weight of 45 books is 9kg. what is the weight of 80 kg books.
Answers
Answered by
6
find weight of 1 book
9kg=9000gm
weight of 1 book=9000/72=125gm
weight of 80 books=80×125=10000gm=10kg
9kg=9000gm
weight of 1 book=9000/72=125gm
weight of 80 books=80×125=10000gm=10kg
RD1:
NICE
Answered by
9
45÷5=9 then
80÷5=16
16 is the answer
80÷5=16
16 is the answer
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