Question 858624
the average of 7 consecutive even numbers is 42. What is the smallest number?
<pre>
1.  smallest even number =  x
2.      next even number =  x+2
3.      next even number =  x+4
4.      next even number =  x+6
5.      next even number =  x+8
6.      next even number =  x+10
7.      last even number =  x+12
--------------------------------
                     sum = 7x+42

   Average = {{{sum/7}}} = {{{(7x+42)/7}}} = {{{7x/7+42/7}}} = x+6 = 42
                                          x = 36


Answer: 36

Checking:

{{{(36+38+40+42+44+46+48)/7}}} = {{{294/7}}} = 42

Edwin</pre>