How many multiples of 3 are there between 10 and 100, exclusive ? Choose the correct choice from the following choices:
A) 30
B) 29
C) 28
D) 31
E) 33
3 * 4= 
<gadget id="calculator">3 * 4</gadget>
<output>12</output>
12   3 * 33= 
<gadget id="calculator">3 * 33</gadget>
<output>99</output>
99   Total multiples= (33 - 4) + 1= 
<gadget id="calculator">(33 - 4) + 1</gadget>
<output>30</output>
30   Exclude 10 and 100= 30   30nswer is 30
<result>A</result>
How many multiples of 3 are there between 10 and 100, exclusive ?