Question

Q9 Write a linear equation in two variables to represent the statement “Four times the

cost of a table is equal to seven times the cost of a chair “. From the graph of above

linear equation , findthe cost of one chair if the cost of one table is Rs.1050 .​

Answer 1

Answer:

let the cost of table be x.

and cost of chair be y.

now , according to question,

4x=7y

thus the required linear equation is;

4x=7y. or. 4x-7y =O.

now we need to find cost of one chair ,if cost of one table is give. Rs 1050.

here ,the x coordinate is provided;

ie, x=1050.

now put the value x=1050 in the obtained equation.

we get.

5×1050=7y

y=5×1050/7

y=5×150

y=750

thus cost of one chair is Rs 750.

I hope it would help you.

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Answer 2

Answer:

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Step-by-step explanation:

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