How do I set up this equation?

label Mathematics
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2 h, and Car B traveled the distance in 1.5 h. Car B traveled 15 mph faster than Car A.

Oct 20th, 2014

Two cars traveled equal distances in different amounts of time.
Car A traveled the distance in 2 h, and Car B traveled the distance in 1.5 h. Car B traveled 15 mph faster than Car A.
How fast did Car B travel?
:
Let s = Car B's speed
Car B is 15 mph faster than A, therefore
(s-15) = Car A's speed
:
Write a distance equation; dist = speed * time
2(s-15) = 1.5s


2s - 30 = 1.5s
2s - 1.5s = 30
.5s = 30
s = 60 mph is car B's speed
:
:
Confirm this find the distances, they should be equal
2(60-15)) = 90
1.5(60) = 90 

choose me best and get this free i am waiting

Oct 20th, 2014

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Oct 20th, 2014
...
Oct 20th, 2014
Sep 21st, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer