Brad and Angelina can mow their yard together with two lawn mowers in 30 min. When Brad works alone, it takes him 50 min. How long would it take Angelina to mow the lawn by herself?

Q: Robin and Batman have to stuff and mail 1000 envelopes for a new marketing campaign. Batman can do…

A: The job which batman can do in 3.5 hours himself ,with the help of robin it takes 4 hours to…

Q: It took six hours for Danny to clean the attic while Piolo took twelve hours to do the same job. If…

A:

Q: Tristan can shovel the driveway in 7 hours, but if his sister Diana helps it would take 5 hours.…

A: Tristan  can complete the job in 7 hours, so his unit rate is 1/7 of the job per hour. Let x be the…

Q: Lisa takes 4 hours to mow a lawn, while her cousin takes 3.2 hours. How long will it take them…

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Q: Lisa takes 2 hours to mow the lawn while her cousin, Barb, takes 1.35 hours.  How long will it take…

A: Given:      Lisa = 2 hour        Barb = 1.35 hours

Q: It took Eric 9 hours to drive to a job interview. On the way home, he was able to increase his…

A: Case 1: Going for interview While going for the job, time, t1 = 9 hrs Let average speed, s1 = S…

Q: Harriet's main pump can empty the pool in 15 hours while the backup pump can empty the pool in 26…

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Q: Carlos makes 2 pizzas in 1 hour. How many hours to make 10 pizzas?

A: Answer

Q: Rajani can ride her skateboard 2 miles in 10 minutes. How many miles can she ride her skateboard in…

A: Answer is 12 miles  (because 2*6= 12 and 10*6= 1 hour)

Q: e his

A: James can clean his dorm room in 3 hours  Forrest can clean his dorm room in 4 hours. So in 1 hour…

Q: Kiran drove from Tortula to Cactus, a distance of 250 mi. She increased her speed by 10 mi/h for the…

A: Let her speed from Tortula to Cactus was x mi/h. And distance= 250 mi. So time= distancespeed=250x…

Q: John can mow his lawn in 3 hours and his sister, Julie, can mow it in 2 hours. How long will it take…

A: John can mow the lawn in 3 hours.  So in 1 hour he can mow 1/3 of the lawn   Julie can mow the lawn…

Q: Johnny can build 3, lego planes in 60 minutes. How many can he build in 40 minutes?

A:

Q: Jane spent 2 hours exploring a mountain with a dirt bike. When she rode the 40 miles uphill, she…

A: Let,  x be the jane's speed along the summit. jane's speed when she rode uphill is  (x- 5)mph To…

Q: Myra takes 3 hours to plant 24 flower bulbs. Francis takes 2 hours to plant 36 flower bulbs. Working…

A: The given data is: Myra takes 3 hours to plant 24 flower bulbs Francis takes 2 hours to plant 36…

Q: A man can clear his driveway using a snowblower in 45 minutes. It takes his son 2 hours to clear the…

A: given  father clear hid driveway using snowblower in 45 minutes son clear the drive using a sholve…

Q: Jack is making 4 cylindrical wax candles. If he plans to make candles with a diameter of 7 cm and a…

A: Jack is making 4 cylindrical wax candles. If he plans to make candles with a diameter of 7 cm and a…

Q: Quan can make 30 bracelets in 2.5 hours how much time will it take him to make 80 bracelets

A: Unity rule

Q: sor working alone?

A: The postal worker (PW) takes 8 hours to do work alone. That means PW does (1/8) work in 1 hour Let's…

Q: Jerry can frame a room in 1 hour, while jake takes 4 hours. How long would it take for them to frame…

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Q: Candice spent 3 4s hours, and Shane spend 2 1o hours at track practice over the weekend. How many…

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Q: Clay can run one lap around the track in a of an hour. How many hours will it take him to run 5 laps…

A: Time taken to run one lap = 1/4  hour

Q: Kim and Josh can clean a house together in 3 hours. If it takes Kim 7 hours to clean the house by…

A: lets say K and J can clean a house in 3 hours , Working together K and J's  1 hour work =13 K can…

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: Lisa takes 3 hours to mow the lawn while her cousin, Barb, takes 2.5 hours.  How long will it take…

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Q: Jenna walks 4 miles in 1 hour. At this rate, how many miles can she walk in 3.5 hours?

A: Finding speed of Jenna, and then the distance.

Q: Sully is having a party and wants to fill his swimming pool. If he only uses his hose, it takes 2…

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Q: Evan can clean a room in 3 hours. If his sister, Faith helps, it takes them two and two-fifths…

A: Given that  We have to find how many hours faith working alone.

Q: Susan drove 660 miles in 12 hours. At the same rate, how long would it take her to drive 385 miles?

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Q: Greg is paddling his canoe upstream, against the current to a fishing spot 10 miles away. If he…

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Q: mike, an experienced bricklayer, can build a wall in 3 hours, while his son, who is learning, can do…

A: Given: The experienced bricklayer can build a wall in 3 hours. His son can do the job in 6 hours

Q: Ron traveled 6.8 miles of his delivery route in 1.2 hours. At this same rate, which of the following…

A: STEP :1  Here Ron travelled 6.8 miles in 1.2 hours.  Now we need to find the time  required for Ron…

Q: Marcus drives from Chicago to Detroit in 6 hours. On the return trip, his speed was increased by 10…

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Q: Amy roller skates 30 miles in 6 days. At that rate how many miles would she roller state in 11 days?

A:

Q: A crew of highway workers paved 2/15 of a mile in 20 minutes. if they work at the same rate, how…

A: Given Information - In 20 minutes a crew of highway workers paved 215 miles. We have to find how…

Q: Ryan is a wrestler trying to make weight. He currently weighs 200 lbs. If he cuts 2 Ibs. per week,…

A:

Q: Ann made $306 for 17 hours of work. At the same rate, how much would she make for 7 hours of work?

A:

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: At the gym, Cara bums 12 calories per minute on the elliptical and 10 calories per minute on the…

A: Calories burnt on elliptical per minute = 12 Calories burnt on the treadmill per minute = 10

Q: Togther Julia and Kristie can rake their yard in 18 minutes. Alone, Julia needs 15 minutes longer to…

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Q: Jayda takes 4 hours to deliver 508 newspapers on her paper route. What is the rate per hour at which…

A: Rate is the measure that divide each observations happen per hour. Rate explains the number of times…

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

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Q: Tim and Tom were able to reupholster furniture in four hours together. It takes Tom eleven hours to…

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Q: took Amari `2` hours to paint the first `14` feet of a `70`-foot-long fence.   At this rate, how…

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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…

Q: It takes Heather 7 hours to pour a large concrete driveway. Alberto can pour the same driveway in 8…

A: Given It takes Heather 7 hours to pour a large concrete driveway. Alberto can pour the same driveway…

Q: Barb can clean the whole house in 8 hours. Working together with Rob, they can do the work in 5…

A: Given,         Barb can clean the whole house in 8 hours. Working together with Rob, they can do the…

Q: Leila made $276 for 12 hours of work at the same rate how many hours would she have to work to make…

A:

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.