Three persons can do a piece of work alone in 3 hours, 4 hours and 6 hours respectively. What fraction of the job can they finish in one hour working together?

Q: A doctor prescribes 4 oz of 7.5% hydrocortisone to a patient. Hydrocortisone is available in 10% and…

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Q: Akiko built 33 models every 44 hours. At this rate, how many would she built in 16 hours?

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Q: The number of bacteria triples each day. How many bacteria will a sample have after ten days if it…

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Q: A comuter travels from one city to another a total distance of 600 miles. The first part of the trip…

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Q: In Major League Baseball, fans eat approximately 21 million hot dogs every season. There are a total…

A: topic-algebra

Q: Tom and Mark had an equal number of chocolates. Tom gives 1/5 of her chocolates to Mark. Mark has 12…

A: Explained below

Q: A water tank is being filled by two inlet pipes. Pipe A can fill the tank in 6.5 hours, while both…

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Q: One painter can paint a house in 8 days, and a more experienced painter can paint the house in 3…

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Q: Oliver walks 1350 feet every 4 days. How many miles does he walk in 30 days?

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Q: Natalie picked 135 berries in 15 minutes. If she continues picking at that rate, how many total…

A: Given  Natalie picked 135 berries in 15 minutes.

Q: A stone mason can set one piece of large granite in 2/3 hours. how many pieces can he set in 8…

A: We will use unitary method to solve this.

Q: 2.8 x 105 pounds of treasure is split 0.05 pounds 4 into groups of 0.05 pounds each. Enter the…

A: we have to find number of divisions

Q: Frank can file 140 books in 2.5 days. How many days does he need to file 490 books?

A: Given that, Frank can file 140 books in 2.5 days. So he ca file 1 book in (2.5/140) days.

Q: If 4 people can make 60 pots in 3 days, how many days are needed for 5 people to make 150 pots?

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Q: It takes 10 hours to fill a 200m³tank using 4 pipes. How long would it take fill a 500m³tank using 2…

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Q: In a band  3/5 of the members play one instument  and 1/4  play two instuments . The rest of the…

A: This question can be solved using the concept of linear equation in one variable.

Q: I have 8 hours to pick 30,000 tickets with 15 people picking 61 tickets an hour. How long will it…

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Q: if Samantha ran 3003 miles in 7 days how many miles will she run in 3 days

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Q: At a factory, 2,500 pairs of jeans is needed to be produced in 60 days. 12 tailors had already…

A: The tailor needed to complete remaining work in remaining days =7

Q: Tabitha has 1/2 loaf of bread. If she slice the bread into 9 equal pieces, what fraction of the…

A: Given that Tabitha has half loaf of bread. she slice the bread into 9 equal pieces.

Q: A pot of 180-degree water is placed in a freezer that is set to 20 degrees. The water cools to…

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Q: You have been asked to cut 5 boards (exactly the same length after the cut) and place them end to…

A: Topic = Functions

Q: Rhoda can paint a room in 4 hours. sam can paint the same room in 5 hours. Rhoda and Sam worked…

A: Rhoda can paint a room in 4 hours. sam can paint the same room in 5 hours. work done by Rhoda in 1…