A boy has to cover 4km to catch a bus. He travels part of the distance at 3km/h and runs the rest at 5km/h. If he takes 1 hour to complete the distance, how many kilometers does he walk.

Q: Kayla and Whitney both leave the bookstore at the same time, but in opposite directions. If Kayla…

A: Given problem:- Kayla and Whitney both leave the bookstore at the same time, but in opposite…

Q: A fisherman can row upstream at 2 mph and downstream at 8 mph. He started rowing upstream until he…

A:

Q: Mario can finish a job 2 hours longer than Karlo. After Mario had been working for 1 hour, Karlo…

A:

Q: Mandy and Nancy together earn twice what Petra and Quincy earn each month. Mandy by herself earns…

A:

Q: In 10 minutes, a conveyor belt can move 1,000 bushels of corn into a storage bin. A smaller belt can…

A: A conveyor belt can move 1000 bushels of corn in 10 minutes.  A smaller belt can move 1000 bushels…

Q: The president of a company traveled 2000 mi by jet and 400 mi on a prop plane. The rate of the jet…

A: Consider the given information

Q: It takes an HP LaserJet M451dw laser printer 16 minutes longer to complete an 840-page print job by…

A: It takes an HP LaserJet M451dw laser printer 16 minutes longer to complete an 840-page print job by…

Q: Peter can mow the lawn in 40 minutes and John can mow the lawn in 60 minutes. How long will it take…

A: We have to find

Q: A truck-driver delivered a load from Shinas to Muscat, a distance of 264 Km, and then returned to…

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Q: A train leaves Little Rock, Arkansas, and travels north at 75 kilometers per hour. Another train…

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Q: A work-study job in the library pays $12/hr and a job in the tutoring center pays $15/hr. How long…

A:

Q: During a vacation together , Bob spent twice as much as Josh, who spent four times as much as Ralph…

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Q: Jack knows that if he would break his total trip into 6 parts, each part would be 350 miles. How far…

A: Each part of Jack's trip = 350

Q: . When a father, in a car, and his son, on a bicycle, work together to distribute the morning…

A: Let father takes x minutes to complete the route, then son takes x+21 minutes if works alone. both…

Q: Two trains leave the same city at the same time, one going east and theother going west. If one…

A: It is given that, two trains leave the same city at the same time. And one of them is going east and…

Q: a pilot flew a jet from Montreal to Los Angeles a distance of 2500 miles. on the return trip, the…

A:

Q: Roger can run one mile in 6 minutes. Jeff can run one mile in 4 minutes. If Jeff gives Roger a 1…

A:

Q: While traveling to and from a certain destination, you realized increasing your speed by 30 mph…

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Q: On a trip, a man noticed that his car averaged 22 km per liter of gasoline except for the days he…

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Q: Carlo can wash and wax one car in 4 hours. Mark can do the same job in 6 hours. If they work…

A: Carlo can wash and wax one car in 4 hours. Mark can do the same job in 6 hours. If they work…

Q: Wanita plans to drive 2,400 miles in 6 days. If she wants to split up the driving equally, about how…

A:

Q: minutes

A: Speed of Jill jog = 2miles/15 minutes

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

A:

Q: The total race is 3.1 miles. How far apart are the two checkpoints?

A: ' Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A motorboat leaves a harbor and travels at an average speed of 18 mph to an island. The average…

A: Let the island is x miles away from the harbor.  We will use the formula Time = distance / speed…

Q: On a 130 mile trip a car travled at an average speed of 55 mph and then reduced its speed to 40 mph…

A: Let t = number of hours at 55 mph. Therefore, Number of hours at 40 mph = 2.5 - t Formula used:

Q: The distance from PSU to the Space Needle in Seattle WA is 194 miles. How long would it take to…

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Q: Mark Martin can row upstream at 5 mph and downstream at 11 mph. If Mark starts rowing upstream until…

A: Write the separate equation for each part of the trip: Upstream: d1= r1*t1 (1) d1= 5*t1 mi…

Q: A man can seed a large field in 8 hours. His daughter can do the job in 6 hours. If she starts an…

A:

Q: A bicycle and a bicycle helmet cost $240. How much did each cost, if thebicycle cost 5 times as much…

A:

Q: On a 300-mile trip to Chicago, Josh drove part of the time at 60 mph and the remainder of the trip…

A:

Q: College roommates John and David were driving home to the same town for the holidays. John drove 55…

A: Please see step 2 for answer and a detailed explanation.

Q: Keegan and Todd are 165 miles apart, traveling towards each other. If Todd travels 21 mph and Keegan…

A: The given question can be repersented as follow:

Q: A football player runs 80 yards in 25 seconds. If he maintains the same rate of speed, how far could…

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Q: Sarah drove 3 hours more than Michael on their trip to Texas. If the trip took 37 hours, how long…

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Q: Ellen can wash her car in 60 minutes. Her older sister Sarah can do the same job in 45 minutes. How…

A: Given, Ellen can wash her car in 60 minutes. Her older sister Sarah can do the same job in 45…

Q: A jet plane travels 2 times the speed of a commercial airplane. The distance between Vancouver and…

A: Since you have asked multiple question, we will solve the first question for you as per our guide…

Q: A train leaves Little Rock , Arkansas, and travels north at 75 kilometers per hour. Another train…

A: One train travels north at 75 kilometers per hour. Another train travels south at 60 kilometers per…

Q: Brendan can lay a slab of concrete in 15 hours, while Enrique can do it in 12 hours.  If Brendan and…

A:

Q: A boy has enough money to buy 40 pens. If each pen costs 50 paise less, he could buy four more pens…

A: Let the original price of each pen be x.

Q: Nedra and Latonya Dominguez are 12 miles apart hiking toward each other. How long will it take them…

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Q: If you place a 5-foot ladder against the top of a 4-foot building, how many feet will the bottom of…

A:

Q: An airplane travels 3600 miles from city A to city B. On the way back, the airplane speed was 50%…

A: Concept Used: Rate = distance / time or Time = Distance /rate

Q: A boy rides away from home in an automobile at the rate of 28 miles an hour and walks back at the…

A:

Q: George can complete a project in 75 minutes, and if George and Walter both work on the project, they…

A: It is given that George can complete a project in 75 minutes. So, the George's rate of completion is…

Q: On a 220 mi trip, a car traveled at an average speed of 50 mph and thenreduced its average speed to…

A: On a 220 mile trip, a car traveled at an average speed of 50 mph and then reduced its speed to 35…

Q: Sarah can run 8 miles in 36 minutes. How long will it take him to run two miles?

A: Consider the formula for speed is, Speed=distancetime Since, "S" can run 8 miles in 16 minutes and…

Q: The Distance From Egland to Spain Is 241.41 Miles and it will take an old ship 3 days to Reach…

A:

Q: Ronald can save the driveway 4 hours, but brother Donald helpsit would take 2 hours. How long would…

A: Ronald can save the driveway 4 hours, but brother Donald helpsit would take 2 hours. How long would…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.