A DEAL IN APPLES.solution

I was first offered sixteen apples for my shilling, which would be at the rate of ninepence a dozen. The two extra apples gave me eighteen for a shilling, which is at the rate of eightpence a dozen, or one penny a dozen less than the first price asked.

 

click here to go to my blog.

See more interesting puzzles at http://puzzles.50webs.org