The time required to complete a certain job varies inversely as the number of machines that work on the job. It takes 9 machines 72 hours to complete an order. Rounded to he nearest hour, how long will it take 13 machines to complete the same job

Q: If Sandy can paint a fence in 2 hours and Erik can paint the fence in 3 hours, if they work…

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Q: Two postal workers, Jerome Grant and Tim Bozik, can sort a stack of mail in 5 hours. Working alone,…

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Q: If the product of two positive numbers is 14 and their sum is 6, find the sum of their reciprocals.

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Q: The weight of a body above sea level varies inversely with the square of the distance from the…

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Q: A plane travels for 3 hours at 300 Km/hr in the direction of S42∘W. How far west and how far south…

A: Speed of the plane, v = 300 km/hr.The distance covered by the plane in 3 hours, D = vt = 300 x 3 =…

Q: Two buses leave a station at the same time and travel in opposite directions. One bus travels 8kmh…

A: Since buses travels in opposite direction so if xkm/hr and ykm/hr are the speed to two buses then…

Q: The main printer in the  library can produce an average of 705 copies every hour. For every 37…

A: The solution is given as follows

Q: A college student takes the same number of credits each semester. She had 8 credits when she…

A: A college student takes the same number of credits each semester. She had 8 credits when she…

Q: A ship leaves a port going directly west at 45 mph. At the same time the first ship leaves port, a…

A: Formulae used: ddxx=12xddxxn=nxn-1

Q: If the average number of calls a call center receives is 14 per hour, how long do we expect it will…

A: Here given that the average number of calls a call center receives is 14 per hour. In one hour their…

Q: The weight of a body varies inversely as the square of its distance from the center of a planet. If…

A: The weight of a body varies inversely as the square of its distance from the center of a planet.If…

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

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