How many multiples of 5 are there between 10 and 100, exclusive ?  Pick.
A) 18 B) 17 C) 16 D) 15 E) 14
5 * 2= 
<gadget id="calculator">5 * 2</gadget>
<output>10</output>
10   5 * 20= 
<gadget id="calculator">5 * 20</gadget>
<output>100</output>
100   Total multiples= (20-2) + 1= 
<gadget id="calculator">(20-2) + 1</gadget>
<output>19</output>
19   Exclude 10 and 100= 19-2= 
<gadget id="calculator">19-2</gadget>
<output>17</output>
17   Answer is 17
<result>B</result>
How many multiples of 5 are there between 10 and 100, exclusive ?