SOLUTION: Burt's car travels 12 mph faster than Dustin's car. in the same time that Burts car travels 300 miles. Dustin travels 240 miles. Find the speed of each of their cars. A. Burt 36 m

Algebra ->  Test -> SOLUTION: Burt's car travels 12 mph faster than Dustin's car. in the same time that Burts car travels 300 miles. Dustin travels 240 miles. Find the speed of each of their cars. A. Burt 36 m      Log On


   

Question 874468: Burt's car travels 12 mph faster than Dustin's car. in the same time that Burts car travels 300 miles. Dustin travels 240 miles. Find the speed of each of their cars.
A. Burt 36 mph, Dustin 48 mph
B. Burt 60 mph, Dustin 48 mph
C. Burt 60 mph, Dustin 72 mph
D. Burt 68 mph, Dustin 80 mph
Found 2 solutions by ewatrrr, richwmiller:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
300%2F%28r%2B12%29+=+240%2Fr%0D%0A++++%7B%7B%7B300r+=+240r+%2B+12%2A240
60r = 2880
r = 48mph, Dustin's speed. Burt's is 60mph
CHECKING our answer***
300%2F60+=+5+=+240%2F48
Wish You the Best in your Studies.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
The only choice where Burt is 12 more than Dustin is
B) B. Burt 60 mph, Dustin 48 mph
All the others Burt is 12 less than Dustin.