Math Challenge July 20

The closest the moon can come to Earth -- its perigee -- is 221,463 miles. The farthest it can go away -- its apogee -- is 252,710 miles.

What is the difference between the 2 distances?

Send answers to kellys3ps@sbcglobal.net

Parents may help, but try to let your child figure it out on their own.Weekly winner wins a Smencil. Monthly winner wins a $20 Barnes and Noble gift certificate!

Good Luck!
Kelly