a grazing land have length 200m and breadth 50m.there is grass 0.5kg/m2.
a cow graze 20kg grass daily.if cow graze for 20days.so after 20 days calculate the percentage of grass filled area.  Choose the correct choice from the following answers:  A) 90  B) 92  C) 95  D) 85  E) 80
area of land=200*50= 
<gadget id="calculator">200*50</gadget>
<output>10_000</output>
10000m2.   total grass grazed=400kg.   area grazed=400/0.5= 
<gadget id="calculator">400/0.5</gadget>
<output>800</output>
800m2.   %of grass filled area=9200/10000*100= 
<gadget id="calculator">9200/10000*100</gadget>
<output>92</output>
92%   answer 92
<result>B</result>
a grazing land have length 200m and breadth 50m.there is grass 0.5kg/m2.
a cow graze 20kg grass daily.if cow graze for 20days.so after 20 days calculate the percentage of grass filled area.