Question

X. 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
P(0, 3)
3x +
2r74712 = 0
pai
Q(6,0)
4
R(
02)
SC
they are parallel
So, we have seen several
situations which can be represented
by a pair of linear equations. We
have seen their algebraic and
geometric representations. In the
next few sections, we will discuss
how these representations can be
used to look for solutions of the pair
of linear equations.
xso
S(4, 0)
Fig. 3.4
EXERCISE 3.1
interesting?) Represent this situation algebraically and graphically.
The coach of a cricket team buys 3 bats and 6 balls for 3900. Later, she buys anothe
bat and 3 more balls of the same kind for 1300. Represent this situation algebraical
and geometrically.
The cost of 2 kg of apples and 1kg of grapes on a day was found to be 160. Afte
month, the cost of 4 kg of apples and 2 kg of grapes is 300. Represent the situat​

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