Question

ed to look for solutions of the pall
linear equations.
Fig. 3.4
EXERCISE 3.1
1. Aftab tells his daughter, "Seven years ago, I was seven times as old as you were then
Also, three years from now, I shall be three times as old as you will be.” (Isn't this
interesting?) Represent this situation algebraically and graphically.
2. The coach of a cricket team buys 3 bats and 6 balls for Rs 3900. Later, she buys another
bat and 3 more balls of the same kind for Rs 1300. Represent this situation algebraically
and geometrically.
5. The cost of 2 kg of apples and 1kg of grapes on a day was found to be Rs 160. After a
month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation
algebraically and geometrically.
Graphical Method of Solution of a pair of Linear Equations
he previous section, you have seen how we can graphically represent a pair of
ar equations as two lines. You have also seen that the lines may intersect, or may
lle may coincide Can we solve them in each co2 And ifee how? We​

Answer 1

Answer:

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