SOLUTION: Traveling at a speed of 42 miles per hour, a truck can travel a certain distance in 14 hours. In order to travel the same distance in 12 hours, the speed of the truck must be incre

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Traveling at a speed of 42 miles per hour, a truck can travel a certain distance in 14 hours. In order to travel the same distance in 12 hours, the speed of the truck must be incre      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 860514: Traveling at a speed of 42 miles per hour, a truck can travel a certain distance in 14 hours. In order to travel the same distance in 12 hours, the speed of the truck must be increased to

step by step pls
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Traveling at a speed of 42 miles per hour, a truck can travel a certain distance in 14 hours. In order to travel the same distance in 12 hours, the speed of the truck must be increased to
-------
distance = rate*time = 42 mph *14 hr = 588 miles
----------------------------
New speed equation::
rate = distance/time
rate = 588 miles/12 hrs = 49 mph
==================================
Cheers,
Stan H.
===============