A branch of mathematics.

Let Xiao Ming travel x meters per minute, then Xiao Ming needs 2400/x minutes, Xiao Cong needs 2400/60 minutes, and Xiao Cong needs 10 minutes more than Xiao Ming. Equation:

2400/x=2400/60- 10，

So x=80.

So Xiaoming walks 80 meters every minute.

What is the admission score of Beijing University of Posts and Telecommunications in Heilongjiang (20 1 1 year)?

Mathematics about oil drums

What is the function of lg?

Which is better, the way or the onion?

Mathematics 180, the second volume of the fourth grade of primary school, published by Jiangsu Education Press.

Complete works of comics in mathematics park

National two-volume liberal arts mathematics answers

Probabilistic math problems in grade three (related to passing the exam)

4399+7k7k+3366=6 19k (advanced mathematics)

20 14 there is something I don't understand about the problem of finding the volume of the rotating body in the second part of the postgraduate mathematics.