How many integers from 101 to 200, inclusive, are divisible by 3 but not divisible by 7?  Choose the most appropriate option:  A) 20  B) 25  C) 28  D) 30  E) 40
We should find # of integers divisible by 3 but not by 3*7= 
<gadget id="calculator">3*7</gadget>
<output>21</output>
21.   # of multiples of 21 in the range from 101 to 200, inclusive is   (189-105)/21+1= 
<gadget id="calculator">  (189-105)/21+1</gadget>
<output>5</output>
5;    33-5= 
<gadget id="calculator"> 33-5</gadget>
<output>28</output>
28.   Answer: 28.
<result>C</result>
How many integers from 101 to 200, inclusive, are divisible by 3 but not divisible by 7?