Renee was on a long 307-mile road trip. The first part of the trip there was lots of traffic, she only averaged 23 mph. The second part of the trip there was no traffic so she could drive 43 mph. If the trip took her 9 hours, how long did she travel at each speed? In traffic she drove for hours? After the traffic cleared she drove for hours?

Renee was on a long 307-mile road trip. The first part of the trip there was lots of traffic, she only averaged 23 mph. The second part of the trip there was no traffic so she could drive 43 mph. If the trip took her 9 hours, how long did she travel at each speed? In traffic she drove for hours? After the traffic cleared she drove for hours?

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter9: Quadratic Equations And Functions

Section9.5: Solve Applications Of Quadratic Equations

Problem 9.82TI: Erlinda is having a party and wants to fill her hot tub. If she only uses the red hose it takes 3...

See similar textbooks

Similar questions

Malik is planning a 6-day summer vacation trip. He has $840 in savings, and he earns $45 per hour for tutoring. The trip will cost him $525 for airfare, $780 for food and sightseeing, and $95 per night for the hotel. How many hours must he tutor to have enough money to pay for the trip?
Brian can lay a slab of concrete in 6 hours, while Greg can do it in 4 hours. If Brian and Greg work together, how long will it take?
Erlinda is having a party and wants to fill her hot tub. If she only uses the red hose it takes 3 hours more than if she only uses the green hose. If she uses both hoses together, the hot tub fills in 2 hours. How long does it take for each hose to fill the hot tub?
At the end of the day Dodie can clean her hair salon in 15 minutes. Ann, who works with her, can clean the salon in 30 minutes. How long would it take them to clean the shop if they work together?
At a concert, $1600 in tickets was sold. Adult tickets were $9 each and children’s tickets were $4 each. If the number of adult tickets was 3() fewer than twice the number of children’s tickets, how many of each kind were sold?
Mike, an experienced bricklayer, can build a wall in 3 hours, while his son, who is learning, can do the job in 6 hours. How long does it take for them to build a wall together?
At the movie theater, the total value of tickets sold was $2,612.50. Adult tickets sold for $10 each and senior/child tickets sold for $7.50 each. The number of senior/child tickets sold was 25 less than twice the number of adult tickets sold. How many senior/child tickets and how many adult tickets were sold?
Dennis went cross-country skiing for 6 hours on Saturday. He skied 20 mile uphill and then 20 miles back downhill, returning to his starting point. His uphill speed was 5 mph slower than his downhill speed. What was Dennis’ speed going uphill and his speed going downhill?
Tony drove 4 hours to his home, driving 208 miles on the interstate and 40 miles on country roads. If he drove 15 mph faster on the interstate than on the country roads, what was his rate on the country roads?
Lee wants to drive from Phoenix to his brother’s apartment in San Francisco, a distance of 770 miles. If he drives at a steady rate of 70 miles per hour, how many hours will the trip take?