The average (arithmetic mean) of 20, 40, and 60 is 8 more than the average of 10, 70, and what number?
Choose the correct choice
A) 16 B) 25 C) 35 D) 45 E) 55
a1 = 120/3= 
<gadget id="calculator">120/3</gadget>
<output>40</output>
40   a2= a1 -8 = 32   sum of second list = 32*3= 
<gadget id="calculator">32*3</gadget>
<output>96</output>
96   therefore the number= 96 -80= 
<gadget id="calculator">96 -80</gadget>
<output>16</output>
16   16NSWER:16
<result>A</result>
The average (arithmetic mean) of 20, 40, and 60 is 8 more than the average of 10, 70, and what number?