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

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6