the average ( arithmetic mean ) of 20, 40, and 60 is 6 more than the average of 10, 70, and what number? Choose one
A) 15  B) 25  C) 35  D) 22  E) 55
<gadget id="calculator">20 + 40</gadget>
<output>60</output>

<gadget id="calculator">60 + 60</gadget>
<output>120</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 + 10</gadget>
<output>28</output>

<gadget id="calculator">28 + 70</gadget>
<output>98</output>

<gadget id="calculator">120 - 98</gadget>
<output>22</output>

<result>D</result>
the average ( arithmetic mean ) of 20, 40, and 60 is 6 more than the average of 10, 70, and what number?
subtract(add(add(20, 40), 60), add(add(multiply(6, const_3), 10), 70))
"a 1 = 120 / 3 = 40 a 2 = a 1 - 6 = 34 sum of second list = 34 * 3 = 102 therefore the number = 102 - 80 = 22 answer : d"