NCERT Solution Class X Mathematics Pair of Linear Equations in Two Variables Question 2 (Ex 3.1)

Question 2:

The coach of a cricket team buys 3 bats and 6 balls for Rs 3900. Later, she buys another bat and 2 more balls of the same kind for Rs 1300. Represent this situation algebraically and geometrically.

Answer:

Let the cost of a bat be Rs x.

And, cost of a ball = Rs y

According to the question, the algebraic representation is

3x + 6y = 3900

X + 2y = 1300

For 3x + 6y = 3900

The solution table is

F or x + 2y = 1300

x = 1300 – 2y

The solution table is

The graphical representation is as follows.

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