Current location - Training Enrollment Network - Mathematics courses - Mathematical culture answer 20 15
Mathematical culture answer 20 15
X/3+ 1+3=X/2.5-77

X =1215m1215/3+1= 406 trees.

So the road length is 12 15m ***406 trees.

15 minutes = 1/4 hours

X/ 16+ 1/4 = X/9.6- 1/4

X= 12

Distance12km

12/16-1/4 =1/2 hours =30 minutes.

Depart from home 30 minutes before work and arrive 15 minutes in advance.

Related articles
  • The mathematical problem equation x+y+x-y=6 3(x+y)-2(x-y)=28.
  • 20 14 Heilongjiang mathematics senior high school entrance examination
  • Is it difficult to mark the second volume of mathematics in 2023?
  • Tired of math
  • Which is better in Zoucheng English tutoring class?
  • Understanding of principal components of quadratic function f (x) = ax 2 (2b1) x-a-2 transformation.
  • What is the essence of entropy and its definition in astronomy?
  • Classical problems of mathematics and geometry in senior high school entrance examination
  • Where is Lu Qian, one of the authors of One Hundred Hard Pen Copyright of Tang Poetry? Is there a specific introduction?
  • Who invented the six divisions in the wheel of karma?

    • copyright 2024 Training Enrollment Network All rights reserved