Mariabella was 1/4 of the way through her book. Twenty pages later she was 1/3 of the way through her book. When she is 3/4 of the way through her book, how m any pages are left?

60 pages left.

Step-by-step explanation:

Let the number of pages in the book be x.

As per given, we have

of total book =

Pages left = 240-180

= 60

Hence, 60 pages left.

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides