two year later a father will be eight year more then three times the age of the son . taking the present age of father and son as x and y respectively. a.: from the graph find the age of father when sons age is 10 year.
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Answer:
Step-by-step explanation:
Present:
Let the father's age be x
Let the son's age be y
Two years later:
The father's age x + 2
The son's age y + 2
Finding their present ages:
x + 2 = 3(y + 2) + 8
x + 2 = 3y + 6 + 8
x - 3y = 12
Plot it on the graph
Draw a parallel line thru the x-axis
Mark the point where it meets the line
Draw a perpendicular line from that point to meet the x-axis
Thus it meets the x axis
x = 42
The age of the father is 42 when the child is 10 years old.
Hope this helps:)
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