Leon read 5/7 of the pages in his book. he has 28 pages left to read. how many pages did he read already

The number of pages he already read is:

                              70 pages

Let x be the total number of pages in the book.

It is given that:

Leon read 5/7 of the pages in his book.

This means that the number of pages that are left to read in the book are:

Also, it is given that:

He has 28 pages left to read.

i.e.

Hence, the number of pages he already read is:

              Hence, the answer is:

                        70

x is greater than 5

step-by-step explanation:

2x+7 is greater than 17

    -7                           -7

2x is greater than 10

divide by 2 each side

x is greater than 5