Calculate the average of all the numbers between 18 and 57 which are divisible by 7.	Choose the correct option: A) 36.9 B) 38.5 C) 18.5 D) 32.5 E) 28.5
Explanation:   numbers divisible by 7 are 21,28,35,42,49,56,   Average = (21+28+35+42+49+56,) / 6 = 231/6= 
<gadget id="calculator">231/6</gadget>
<output>77/2 = around 38.5</output>
38.5   ANSWER: 38.5
<result>B</result>
Calculate the average of all the numbers between 18 and 57 which are divisible by 7.