SOLUTION: Two boats traveling in the same direction leave a harbor at noon. After 3 hours they are 60 miles apart. If one boat travels twice as fast as the other,find the avarage rate of eac

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Two boats traveling in the same direction leave a harbor at noon. After 3 hours they are 60 miles apart. If one boat travels twice as fast as the other,find the avarage rate of eac      Log On


   

Question 99299: Two boats traveling in the same direction leave a harbor at noon. After 3 hours they are 60 miles apart. If one boat travels twice as fast as the other,find the avarage rate of each boat.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
let a be the faster boat
a=2b
a=b+20
b+20=2b
b=20 mph
a=40 mph
Ed