Renu reads 1/5th pages of a book. If she reads further 40 pages, she qould have read 7/10th page of the book. How many pages are left to be read?
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Answered by
9
Answer:
24
Step-by-step explanation:
total page =x
read 1/5 page =x/5
further read 40pages =x/5+40 and she have read 7/10th of book ...that means 7x/10
hence
x/5+40=7x/10
7x/10-x/5=40
7x-2x/10 =40
5x/10=40
5x=40×10=400
x=400/5=80
x=80
total pages =80
she read = 7×80/10
=7×8=56 pages
pages left to be read = 80-56
=24
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