To mail a package, the rate is 20 cents for the first pound and 5 cents for each additional pound. Two packages weighing 5 pounds and 10 pounds, respectively can be mailed seperately or combined as one package. Which method is cheaper and how much money is saved?	Select
A) Combined, with a saving of 10 cents
B) Separately, with a saving of 10 cents
C) Combined, with a saving of 15 cents
D) Separately, with a saving of 15 cents
E) Combined, with a saving of 5 cents
5 pounds = 1*20+4*5= 
<gadget id="calculator">1*20+4*5</gadget>
<output>40</output>
40   10 pounds= 1*20+9*5= 
<gadget id="calculator">1*20+9*5</gadget>
<output>65</output>
65   total= 105   15 pound = 1*20+14*5= 
<gadget id="calculator">1*20+14*5</gadget>
<output>90</output>
90   dif. 15   Answer : Combined, with a saving of 15 cents
<result>C</result>
To mail a package, the rate is 20 cents for the first pound and 5 cents for each additional pound. Two packages weighing 5 pounds and 10 pounds, respectively can be mailed seperately or combined as one package. Which method is cheaper and how much money is saved?