How many integers from 22 to 160, inclusive, are divisible by 3 but not divisible by 7?	Choose one:
A) 30	B) 35	C) 40	D) 50	E) 60
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 22 to 160, inclusive is   (147-42)/21+1= 
<gadget id="calculator">  (147-42)/21+1</gadget>
<output>6</output>
6;    46-6= 
<gadget id="calculator"> 46-6</gadget>
<output>40</output>
40.   Answer: 40.
<result>C</result>
How many integers from 22 to 160, inclusive, are divisible by 3 but not divisible by 7?