Question

the cost of pen is 4 times the cost of a pencil.write a linear equations in two variables to represent this statement​

Answer 1

Answer:

cost of pencil =X

cost of pen = 4x

equation will be = X=4x

Answer 2

Answer:

let the cost of pencil be x

so, the cost of pen will be 4x

x=4x

x-4x=0

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