Assuming that profit of a shopkeeper in a particular commodity is a linear expression of transportation charge (t) and the quantity of commodity (q) . He earns a profit of 10000 by selling 20 units at the transport charge of 400. He also earn a profit of 12000 by selling 25 units at the transport charge of 600. What is the linear expression in t and q ?

Assuming that profit of a shopkeeper in a particular commodity is a li

1.	Assuming that profit of a shopkeeper in a particular commodity is a linear expression of transportation charge (t) and the quantity of commodity (q) . He earns a profit of 10000 by selling 20 units at the transport charge of 400. He also earn a profit of 12000 by selling 25 units at the transport charge of 600. What is the linear expression in t and q ?
A.	600q - 5t
B.	500q - 4t
C.	600q - 4t
D.	500q - 5t
Answer» E.

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