Current location - Training Enrollment Network - Mathematics courses - Mathematical answer of Yangcheng qualifying
Mathematical answer of Yangcheng qualifying
The speed ratio of ethylene to propylene is (45+5):45= 10:9.

A-C speed ratio (60+ 15+5):60=4:3.

The speed ratio of a, b and c is 12: 10:9.

15×10 \ (12-10) = 75 minutes.

Catch up with B 75 minutes after A leaves.

Related articles
  • Supermarket Mathematics in Life
  • Mathematical formula of vowel primary school
  • 2005-07 Mathematics Examination Paper of Dongguan Senior High School Entrance Examination
  • What is the college entrance examination today?
  • 20 18 Putuo District Senior Three Mathematics Module 2
  • Senior high school entrance examination mathematics Henan
  • The final examination paper of the first volume of Chinese in the fifth grade of primary school
  • Mathematics summary of the second day of junior high school is 500 words
  • 500-word composition in the fifth grade of primary school: our math teacher
  • The order of mathematical laws? When there is multiplication and division, do you calculate multiplication or division first? What's the difference between dot multiplication?

    • copyright 2024 Training Enrollment Network All rights reserved