Question

Write a linear equation in two variables to represent the statement, two times the cost of one chair equals the cost of one table. From the graph , find the cost of one chair if cost of one table is $2000

Answer 1

Answer:

let x be cost of 1chair.

y be cost of 1table.

from question,

2x=y

2x-y=0.

given y=2000

2x=y

x=2000/2=1000