Current location - Training Enrollment Network - Mathematics courses - Junior one math problem help
Junior one math problem help
Equal relationship:

Number of boys *3= Number of girls *7

Boys = 170- girls

Suppose there are x boys, then there are (170-X) girls.

3X=7( 170-X)

3X= 1 190-7X

X= 1 19

170-119 = 51(person)

A: Male 1 19, female 5 1.

Related articles
  • Solving three real problems in the senior high school entrance examination in mathematics
  • Matching problem in primary school mathematics
  • What's it like to have a mother who is a math teacher?
  • Is the college entrance examination difficult in Jiangxi this year?
  • What are the recommendations of the postgraduate calculator?
  • What to write in the math paper?
  • What are the Eight Banners in Beijing?
  • How does the teaching quality improvement plan promote the improvement of junior high school mathematics teaching quality?
  • Winter vacation homework layout in the second grade of primary school [3]
  • When is Madame Curie's birthday?

    • copyright 2024 Training Enrollment Network All rights reserved