1. Suppose that at the time of the fifth national census in 2000, about X out of every 654.38+million people had only primary education.

According to the meaning of the question:

( 1-24.99%)x=26779

X ≈ 35700 (person). 2. Solution: Assuming it takes him x months to pay off all the loans, the following questions can be drawn:

3000+ 1500X= 19500

1500X= 16500

X= 1 1

A: It will take him 1 1 month to pay off all the loans.