Question

andy read 4/5 th of a story book which has 100 pages.how many pages of the booh is not yet read by andy?

Answer 1

so he read 4/5th of book

then the total pages he read out of 100 are

4/5*100= 20*4=80

so he read 80 pages

so pages je yet to read are

100-80=20 pages

Answer 2

hi,
here is the solution for your question..
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he read part of the book = 4/5 part
total no. of pages in the book = 100
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no. of pages that he read :--
= 4/5 part of 100
= 4/5×100
= 80 pages
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no. of pages that he did not read yet :-
= 100 - 80
= 20 pages