Linear Equations In One Variable

Concept: Count only the legs touching the ground. Riders do not contribute their legs to the ground count, while walking men and all horses do. Step 1:Let total number of men = total number of horses = .} Half of the men are riding men are on horses.
Remaining men are walking.
Step 2:Count legs on the ground.}

• Each horse has 4 legs total horse legs =
• Walking men = , each has 2 legs total =

Total legs on ground:
Step 3:Form equation.} Final Answer:

Concept: This is a classic problem involving two variables using:

• Total heads (number of animals)
• Total legs (based on type of animals)

Step 1:Let variables.
Let number of deer (each has 4 legs)
Let number of peacocks (each has 2 legs)
Step 2:Form equations.}
Step 3:Solve the equations.
Multiply equation (1) by 2: Subtract from equation (2): Substitute into (1):
Step 4:Verify with options.
But since peacocks have 2 legs, rechecking carefully: satisfies: Final Answer: