Current location - Training Enrollment Network - Mathematics courses - Math problem The age of lazy goat after 2 years is equal to the age of pleasant goat five years ago.
Math problem The age of lazy goat after 2 years is equal to the age of pleasant goat five years ago.
Let the lazy age be x, the beautiful sheep 4X and the pleasant goat 4X+2.

X-3+4X-3+4X+2-3=56

X+4X+4X=56+3+3-2+3

9X=63

X=7 7+7+7+7=28 28+2=30

\

A: Lazy goat is 7 years old, beautiful goat is 28 years old and pleasant goat is 30 years old.

Related articles
  • In a math exam, A and B schools
  • The number is the sum of 8 and the evaluation of 8 MINUS several times.
  • mathematical constant
  • How to use information technology to carry out mathematics teaching in primary schools
  • Tang Jiafeng 1800 How difficult is the basic question for postgraduate entrance examination?
  • Mathematics compulsory theorem ii
  • Children's mathematics
  • The fourth grade math problem 100 and its answer.
  • Second-class mathematician
  • How to improve the speed and accuracy of answering questions in comprehensive literature examination?

    • copyright 2024 Training Enrollment Network All rights reserved