5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...? Mcqs

5XA local post office uses the equation above to determine the cost C, in dollars, of mailing ashipment weighing x pounds. An increase of 10 dollars in the mailing cost is equivalent to an increase in how many pounds in the weight of the shipment...?

(A) 1

(B) 2

(C) 3

(D) 4