Question 187934
Let x=number of members in the shortest row
Then x+2=next row
x+4=the row after that
x+6=the last row

x+x+2+x+4+x+6=92 or
4x+12=92 subtract 12 from each side
4x+12-12=92-12 collect like terms
4x=80  divide each side by 4
x=20--------------------number of members in shortest row
x+2=22-------------------------next row
x+4=24-------------------------next row
x+6=26----------------------last row

CK
20+22+24+26=92
92=92

Hope this helps---ptaylor