A box of paper clips contains 100 clips. If an office uses paper clips at the rate of 15 per 100 pieces of outgoing mail, how many boxes will be required for the 4000 pieces of outgoing mail? Choose one: A) 4 boxes B) 5 boxes C) 6 boxes D) 7 boxes E) 8 boxes
15clips --- 100 pieces   x clips --- 4000 pieces   x = 4000/100 * 15= 
<gadget id="calculator">4000/100 * 15</gadget>
<output>600</output>
600 clips   1 box -- 100 clips   y box -- 600= 
<gadget id="calculator">-- 600</gadget>
<output>600</output>
600/100= 
<gadget id="calculator">600/100</gadget>
<output>6</output>
6 boxes   ANSWER:6 boxes
<result>C</result>
A box of paper clips contains 100 clips. If an office uses paper clips at the rate of 15 per 100 pieces of outgoing mail, how many boxes will be required for the 4000 pieces of outgoing mail?