Aftab tells his daughter "seven I was seven times as old as you were then.Also 3 years from now,I shall be 3 times as old as you will be." Represent this situation algebraically and graphically.
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Answered by
5
let the age of aftab be x and his daughter be y.
eq.1⇒ x-7= 7(y-7)
x-7y = -42
eq.2 = x+3 = 3(y+3)
x-3y = 6
subtracting eq.1 from eq.2
⇒y=12 years
x = 42 years
eq.1⇒ x-7= 7(y-7)
x-7y = -42
eq.2 = x+3 = 3(y+3)
x-3y = 6
subtracting eq.1 from eq.2
⇒y=12 years
x = 42 years
Answered by
23
Here your answer goes
Correction as below :-
Aftab tells his daughter "seven years ago I was seven times as old as you were then. Also 3 years from now,I shall be 3 times as old as you will be." Represent this situation algebraically and graphically ?
- For Solving algebraically use the following steps :-
Step :- 1
Let age of Aftab be x years
Then Aftab's daughter by y years
Step :- 2
Given Condition ,
Seven years ago , Aftab was seven times old as Aftab's daughter
( x - 7 ) = 7 ( y-7 )
( x -7 ) = 7y - 49
x -7 -7y + 49
x - 7y - 42 - 0 ------>> 1
Three years from now Aftab will three times as Aftab's daughter
( x+3 ) = 3 ( y + 3 )
( x+3 ) = 3y + 9
x + 3 -3y + 9
x - 3y - 6 -------->> 2
- For Solving this graphically Refer to the following attachments with my answer
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