<h3>Answer:</h3><h3 /><h3>So B is halfway between 0 and 1. What's half of 1? 1/2.</h3><h3 /><h3>A is halfway between 0 and B. What's half of 1/2? 1/4.</h3><h3 /><h3>So A is 1/4 of 1.</h3><h3 /><h3>Alternatively -</h3><h3 /><h3>0 - A - B - - - 1</h3><h3 /><h3>If each - is an eighth, A is at 2/8, or 1/4</h3>