To mail a package, the rate is 10 cents for the first pound and 5 cents for each additional pound. Two packages weighing 4 pounds and 6 pounds, respectively can be mailed seperately or combined as one package. Which method is cheaper and how much money is saved?
Choose the correct choice from the following choices
A) Combined, with a saving of 15 cents
B) Combined, with a saving of 10 cents
C) Combined, with a saving of 5 cents
D) Separately, with a saving of 5 cents
E) Separately, with a saving of 15 cents
4 pounds cost = 10+3*5= 
<gadget id="calculator">10+3*5</gadget>
<output>25</output>
25   6 pounds cost= 10+5*5= 
<gadget id="calculator">10+5*5</gadget>
<output>35</output>
35   Total= 60   10 pounds cost = 10+ 9*5= 
<gadget id="calculator">10+ 9*5</gadget>
<output>55</output>
55   Answer : Combined, with a saving of 5 cents
<result>C</result>
To mail a package, the rate is 10 cents for the first pound and 5 cents for each additional pound. Two packages weighing 4 pounds and 6 pounds, respectively can be mailed seperately or combined as one package. Which method is cheaper and how much money is saved?