1989 AJHSME Problem 6
Source:
June 25, 2011
Problem Statement
If the markings on the number line are equally spaced, what is the number ?[asy]
draw((-4,0)--(26,0),Arrows);
for(int a=0; a<6; ++a)
{
draw((4a,-1)--(4a,1));
}
label("0",(0,-1),S); label("20",(20,-1),S); label("y",(12,-1),S);
[/asy]