Homework Help: Math

Posted by Tr on Wednesday, August 15, 2012 at 10:50pm.

One day we decided to dive from town A to town B. In order to get there we had to drive through town B and then town C. it is 10 miles farther from town A to town B then it is to town B to C. It is 10 miles farther from town B to town C than it is from town C to town D. It is 330milesfrom town A to town D . how far is it from town A to town B?

Math - Reiny, Thursday, August 16, 2012 at 8:35am
I think you have a typo and meant to say "One day we decided to dive from town A to town D" , or else why would you drive from A to B and then to C to get from A to B.
I also assume that the town are along the same road.

Let BC = x
then AB = x+10
CD = x-10

x+10 + x + x-10 = 330
3x = 330
x =110

AB = 120

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