Posted by Caleb on .
One day we decidid to drive from town A to town D.In order to get there,we had to drive through town B and C.It is ten miles farther from town A to town B than it is from town B to town C.It is ten miles farther from town B to town C than it is from town C to town D. It is 330 miles from town A to town D.How far is it from town A to town B?

Math 
Anonymous,
Start with this: c to d is x, b to c is x+10, and a to b is x +10+10