Question 1030174
Let x = # of pages he has to read on a weekday.
==> x + 30 =  # of pages he has to read on a Saturday or a Sunday.
==> 5x + 2(x+30) = 473
==> 5x + 2x + 60 = 473
==> 7x = 413
==> x = 59.

Therefore, he has to read 59 pages on a weekday, particularly on Wednesday.