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.
The cost of 2 kg of apples and 1 kg 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.