3.7x4=14.8. 14.8 cups of sugar
<h3>Given :-</h3>
<h3>To Find :-</h3>
<h3>Solution :-</h3>
☼︎ <u>Radius of the Circle</u>;
<h3>Using Formula:</h3>

<u>Putting values in the formula;</u>









henceforth, the Radius of a circle is 14 cm ...!!
N<6 is the answer I think
They're allowed to join for $15. And for every event, they have to pay $3.
3x = 21
x = 7
Someone who has $36 can attend 7 events.