Solve each item completely.

  1. Shipping charges are often based on a formula that offers a lower charge per pound as the size of the shipment is increased. Suppose shipping charges are as follows: $2.20 per pound if the weight does not exceed 50 lb; $2.10 per pound if the weight is more than 50 lb but does not exceed 200 lb; $2.05 per pound if the weight is more than 200 lb.
  1. Find a mathematical model expressing the total cost of a shipment as a function of its weight. 
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1 Answer

kost=2.20$*wate (in pounds)

if(wate > 50){kost=2.10*wqte}

if(wate > 200){kost=2.05*wate}

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