The answer is 24/35. i would tell you to simplify but it is already in its simpliest form.
<h3>Given:</h3>
<h3>Volume of the cone:</h3>



<h3>Volume of the cylinder:</h3>



<h3>Total volume:</h3>


<u>Hence</u><u>,</u><u> </u><u>the</u><u> </u><u>volume</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>given</u><u> </u><u>cone</u><u> </u><u>shape</u><u> </u><u>is</u><u> </u><u>4188.7</u><u>9</u><u> </u><u>cubic</u><u> </u><u>centimeters</u><u>.</u>
1800
20%=1/5 which means 360x5 is the number of people at the concert
360x5=1800
hope this helps :)
Im pretty sure that the answer it is A. 7
because if you subtract 2 from 7 you get 5