How many positive integers between 1 and 300 are there such that they are multiples of 21?  Pick one
A) 14	B) 16	C) 17	D) 13	E) 15
Multiples of 21 = 21,42,63,-----294   Number of multiples of 21 =&gt; 21*14= 
<gadget id="calculator">21*14</gadget>
<output>294</output>
294   14nswer is 14
<result>A</result>
How many positive integers between 1 and 300 are there such that they are multiples of 21?