how reads 3/5 of a book.he find that there are still 80 pages left to be read.how many pages are there in the book
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Answered by
0
Answer:200
Step-by-step explanation:
3/5ofx is already red.
2/5ofx is left.
2/5of x is 80
So x=80*5/2
=200 pages
Answered by
0
Answer:
200 pages
Step-by-step explanation:
Let the number of pages in the book be x. So,3/5ofx+ 80 = x . 3/5x+80= x .So 3x+400÷5=x(cross multiplied)= 3x+400=5x(cross multiplied) 5x-3x= 400 . = 2x=400 = x=400/2 =200 . Therefore , there are 200 pages in the book.
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