The average of 7 consecutive numbers is 20. The largest of these numbers is Choices
A) 20
B) 22
C) 23
D) 24
E) 25
Let the first number be x, Then the last number is ( x+6)   Average = (x+(x+1)+(x+2)+(x+3)+(x+3)+(x+4)+(x+5)+(x+6))/7 = 20   7x + 21 = 20*7= 
<gadget id="calculator">20*7</gadget>
<output>140</output>
140, 7x=119, x = 17   The largest number =x+6 =17+6= 
<gadget id="calculator">17+6</gadget>
<output>23</output>
23   ANSWER:23
<result>C</result>
The average of 7 consecutive numbers is 20. The largest of these numbers is