Bob and James are finishing the roof of a house. Working together they can  shingle the house in 8 hours and 30 minutes.  Working alone, Bob can shingle the roof in 15 hours. How many hours would it take James to shingle the same roof by himself? Round your answer to the nearest tenth if necessary.

Q: Zane can paint a bedroom in 5 hours. With help from his father, Zane and his dad can paint the same…

A: Explanation: Given that,  Zane can paint a bedroom = 5 hours Zane & his father can paint a…

Q: Shawn is training for a triathlon. He starts his workout by riding his bicycle for 1 hour and then…

A:

Q: At the end of an advertising​ campaign, weekly sales amounted to $17,000 and then decreased by 6​%…

A: Given information: The weekly sales amounted to $17,000 and then decreased by 6​% each week after…

Q: Felicia weighs 150 lb and is 5'7". She would like to lower her BMI to 22. By how many points must…

A:

Q: 4. Working alone, Jamie can mow her lawn in 75 minutes. If Bob helps here, then the two of them can…

A: Let Bob takes x hours to mow the lawn alone

Q: 3. Toshi draws a square 3 inches on each side. Then, he draws a bigger square that is 6 inches. on…

A: Note : As per our guidelines we are supposed to answer only one question if there are multiple…

Q: Erik drove home from college traveling an average speed of 59.2 mph and drove back to the college…

A: Given ,  Erik drove home from college traveling an average speed of 59.2 mph and drove back to the…

Q: Working alone, Carlos can oil the lanes in a bowling alley in five hours. Jenny can oil the same…

A: Carlos can oil the lanes =5 hourscarlos can oil in 1 hour=15Jenny can oil the lanes =9 hoursJenny…

Q: Johana, Chris, Puja, and Joel decided to start their own business and invested in the ratio of 4:…

A: Please refer to the image below

Q: When they work together Samir and Lorraine can deliver flyers to all the homes in their…

A: Given information : When they work together Samir and Lorraine can deliver flyers to all the homes…

Q: Johana, Chris, Puja, and Joel decided to start their own business and invested in the ratio of 4:…

A: Unitary method is used.

Q: Mika can eat 21 hot dogs in 6 minutes. She wants to know how many minutes (m) it would take her to…

A: Explanation of the solution is given below...

Q: The order of a patient is Robitussin 10ml po q4h.  How many ounces of Robitussin would the patient…

A:

Q: It took Shekinah four hours to install 64 square feet of tile in her kitchen, If she continues…

A:

Q: A small candle that is 12 inches tall burns at a rate of 1/2 inch per hour. A larger candle that is…

A: Step:-1 Given that a small candle of 12 inches (height) and it burns at a rate of 12 inch per hour…

Q: Working together, Chelsea and Kali can pick forty bushels of apples in 6.67 hours. Had she done it…

A:

Q: Roger can run one mile in 9 minutes. Jeff can run one mile in 6 minutes. If Jeff gives Roger a 1…

A: given,     Roger can run one mile in 9 minutes. Jeff can run     one mile in 6 minutes. If Jeff…

Q: Donald drove home from college traveling an average speed of 68.9 mph and drove back to the college…

A: Donald drove home from college traveling an average speed of 68.9 mph anddrove back to the college…

Q: It takes John 4 hours to mow a lawn. It takes Maria 3 hours to mow the same lawn. How long would it…

A:

Q: Bill and Ben can clean the garage together in 6 hours. If it takes Bill 10hours working alone, how…

A: Both do work in 6 hours, Bill alone does in 10 hours, So,

Q: Kristy

A:

Q: Bob and James are finishing the roof of a house. Working together they can shingle the house in 5…

A:

Q: Two companies working together can clear a parcel of land in 7 hours. Working alone, it would take…

A: Let company B takes x hours to clear the land alone Its work rate=1x And company A takes (x+10)…

Q: George is cooking an elaborate meal. He can only cook one thing at a time in his microwave oven. His…

A:

Q: A man is 3 times as old as his son now. Four years ago, the sum of their ages was 36. Find the man's…

A:

Q: Tom can do a job in 240 minutes; Tom and Jerry can do the job together in 49 minutes. How long for…

A:

Q: Ann can clean a house in 7 hours and michael can do it in 5 hours. they agreed to clean the house…

A: Given,  Ann can clean the house in 7 hours .  Michael can clean it in 5 hours.

Q: Helmut can paddle in still water at a speed of 4 km/h. If he paddled 10 km upstream against the…

A: This problem is related to river section of algebra. And we solve this using distance-time formula.

Q: It takes Franklin the Falcon 8 hours to blow up all the baloons for graduation if he works​ alone,…

A: The objective is to find how  long would it take Bruno the Bulldog to blow up all the balloons if he…

Q: George decided to visit his brother, who lives 225 miles away. He rode his bike at a speed of 14…

A: The distance travelled by the body is calculated by multiplying speed of the body and time taken by…

Q: A traveling salesman figures it costs 32 cents for every mile he drives his car. How much does it…

A:

Q: Ailyn can type a 5-page manuscript in Mathematics for 3 hours. Rodelyn can do the same task in 4…

A: Given- Ailyn can type a 5-page manuscript in Mathematics for 3 hours and Rodelyn can do the same…

Q: Jake the lumberjack cut a log into three pieces in 6 minutes. He then cut a similar log into 5…

A: Given:A log cut into 3 pieces in 6 minutes.Then we have to find how much time it will take to cut…

Q: Roger can run one mile in 24minutes. Jeff can run one mile in 21minutes. If Jeff gives Roger a 11…

A: Data of Roger,Roger runs 1 mile in 24 minutes.So, Rate by which Roger is running = 1/24 mile/…

Q: d) Greyhound and Trailways travel from San Francisco to Los Angeles. Trailways makes the trip in 7…

A:

Q: Alejandra has three ladders that are 15, 10, and 12 feet in length. If he is trying to reach a…

A:

Q: Caroline ran 15 miles in 5 days. How many miles did she run each day?

A: Given,           Caroline ran 15 miles in 5 days.

Q: You come along just as a church lottery is closing; its prize is a quilt worth $100 to you, but…

A: If 1 ticket is bought, the chance to win $100 is 1/26, which is very less.If 100 or more tickets are…

Q: Working together, a chef and his assistant can make a pastry dessert in 27 minutes. When the chef…

A: let x be the time taken for the assistant alone (time in  minutes) and chef takes (x-5) minutes

Q: Mike washes and vacuums his car in 60 minutes, but if Tina helps him, the job is completed in 30…

A: 1 Hour

Q: Dylan goes out for a 38 km bike ride. After he rode 30km he had a flat tire and had to walk the…

A: Given  dylan total ride = 38 km cycling = 30 km walking =8 km walking speed is 10 km/hr less than…

Q: You receive two sales job offers. One company offers a straight commission of 6% of sales. The other…

A: NOTE: Refresh your page if you can't see any equations. . One company offers a straight commission…

Q: Loretta and her family are going on vacation. Their destination is 610 miles from their home.…

A: Loretta driven 55 mph  for 2 hours.∴ distance drive by Loretta=55×2 mi…

Q: It takes Jada 15 hours to mow her lawn. It takes Kam half as long to mow his lawn. How long, in…

A: The solution for the above question is as shown below.

Q: Jack and jill enter 600km race.Jill drives 4km faster than jack,but her scooter gets a flat…

A: Here we will find the time to last race,

Q: It takes Frank 2 hours longer than Jane to carpet a certain type of room. Together they can carpet…

A: Given Information- Frank takes 2 hour longer than Jane to carpet a certain room. And they both can…

Q: 14. It takes Sam 4 hours to rake the front lawn while his brother, Dave, can rake the lawn in 3…

A:

Q: Winchester can weed a garden in 14 minutes by himself. When Winchester weeds a garden with his…

A: