One morning, Justin drove 4 hours before stopping to eat lunch at Chick-fil-A. After lunch, he increased his speed by 10 mph. If he completed a 590-mile trip in 9 hours of driving time, how fast did he drive in the morning?
Added by Dana F.
Close
Step 1
Step 1: Let $x$ be Justin's speed in the morning. Show more…
Show all steps
Your feedback will help us improve your experience
Susan Cooper and 83 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Solve each problem. One morning, Justin drove 5 hours before stopping to eat lunch at Pizza Hut. After lunch, he increased his speed by $10 \mathrm{mph}$. If he completed a 430 -mile trip in 8 hours of driving time, how fast did he drive in the morning?
Equations and Inequalities
Applications of Linear Equations
John drove 5 hours before stopping to get gas. After he filled the tank, he increased his speed by 10 mph. If he completed a 490-mile trip in 9 hours of driving time, how fast did he drive before he stopped for gas?
Michael A.
Justin recently drove to visit his parents who live 270 miles away. On his way there his average speed was 11 miles per hour faster than on his way home (he ran into some bad weather). If Justin spent a total of 9 hours driving, find the two rates.
Maria D.
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD