1 st person to Draw map of the world
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Step-by-step explanation:
Let the price of 1 pen =Rs. X
Let the price of 1 notebook = Rs. Y
Hence 2x +3y= 40 - (1)
And 2x + 6 y = 60 - (2)
Subtract eq (1) from eq (2 )
Then 3y = 20
Hence y = 20/3 Rs.
Put the value of y in eq (1)
Then 2x + 3×(20/3) =40
2x +20 = 40
2x = 20
x = 10 Rs
Answered by
2
Answer:
Anaximander is the 1st person to draw map of the world
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