Question

Help please! Two cars start at the same point and travel in opposite directions. Car A is traveling at a rate of 35mph and car b is traveling at a rate of 50mph. How long until the cars are 425 miles apart?

Answer 1

combined speed

• 35+50=85mph

Time be t

Speed=Distance/Time

• Time=Distance/Speed
• Time=425/85
• Time=5h

Answer 2

• 5 hours

Explanation:

The cars travel in opposite directions from the same point.

Each hour they travel:

• 50 + 35 = 85 miles

After x hours they will be 425 miles apart:

• 85x = 425
• x = 425/85
• x = 5