A military garrison in a wild frontier has 500 men who have provisions to last 26 weeks. At the end of 6 weeks they are joined by another 300 men. How long will the provisions last?  Select.
A) 13 1/3  B) 12 1/3  C) 11 3/3  D) 12 1/2  E) 12 3/4
Total provisions=500*26*7= 
<gadget id="calculator">500*26*7</gadget>
<output>91_000</output>
91000   Provisions used for in 6 weeks=6*7*500= 
<gadget id="calculator">6*7*500</gadget>
<output>21_000</output>
21000   remaining provisions=70000   remaining provisions need to be split between 800(500+300) people.   Number of provisions per person= 70000/800   we need to find the answer in terms of weeks=(70000/800)/7=25/2   Answer:12 1/2
<result>D</result>
A military garrison in a wild frontier has 500 men who have provisions to last 26 weeks. At the end of 6 weeks they are joined by another 300 men. How long will the provisions last?