SOLUTION: From a point on a straight bicycle trail, Andy and Buddy ride in opposite directions. Andy 's speed lacks 3 miles per hour being twice as fast as Buddy's. If, after 4 hours, the

Algebra ->  Test -> SOLUTION: From a point on a straight bicycle trail, Andy and Buddy ride in opposite directions. Andy 's speed lacks 3 miles per hour being twice as fast as Buddy's. If, after 4 hours, the       Log On


   

Question 1037675: From a point on a straight bicycle trail, Andy and Buddy ride in opposite directions. Andy 's speed lacks 3 miles per hour being twice as fast as Buddy's. If, after 4 hours, the boys are 48 miles apart, what is Buddy's speed?
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
let a=andy, b=buddy:
a=2b-3
4(2b-3)+4b=48
8b-12+4b=48
12b=60
b=5
Buddy is going 5 mph!!!!!!!!!