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48. A would require 45 hrs, to varnish all the picture frames produced during a particular day. B who takes 2 minutes more to varnish each frame will require 60 hrs. How many frames are there? a. 200 b. 650 c. 450 d. 150

48. A would require 45 hrs, to varnish all the picture frames produced during a particular day. B who takes 2 minutes more to varnish each frame will require 60 hrs. How many frames are there? a. 200 b. 650 c. 450 d. 150

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter63: Volumes Of Pyramids And Cones
Section: Chapter Questions
Problem 32A: A piece in the shape of a frustum of a pyramid with regular octagon bases is 23.84 centimeters high....
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48. A would require 45 hrs, to varnish all the picture frames produced during a particular day. B who takes 2 minutes more to varnish each frame will require 60 hrs. How many frames are there? a. 200 b. 650 c. 450 d. 150 49. A contractor estimated that a project will ne finished by his crew in 60 days. After the crew worked for 40 days, 38 workers stopped working. If the remaining workers will continue at the same rate, they will be delayed by 5 days. How many workers are there in the original crew? a. 200 b. 100 c. 190 d. 180 50. A tank can be filled in 48 minutes by two pipes running simultaneously. By the larger pipe it can be filled in 5 minutes less time than by the smaller. Find the time required for the larger pipe to fill it. a. 109.8 min b. 45.2 min c. 93.6 min d. 90.65 min 51. A had wrapped 500 pcs. of candies, when B helped him and together they wrapped 1260 more. A worked for a total 24 minutes. If A worked for 24 min. and b for 12minutes, they will be able to wrap 1680 candies. On the average, how many candies can A wrap per minute? a. 10 b. 50 c. 60 d. 70 52. In a purse are nickels, dimes and quarters amounting to $9.85. There are twice as many dimes as quarters, and the number of nickels is two more than twice and the number of dimes. Determine the number of nickels. a. 16 b. 34 c. 54 d. 62
Transcribed Image Text:48. A would require 45 hrs, to varnish all the picture frames produced during a particular day. B who takes 2 minutes more to varnish each frame will require 60 hrs. How many frames are there? a. 200 b. 650 c. 450 d. 150 49. A contractor estimated that a project will ne finished by his crew in 60 days. After the crew worked for 40 days, 38 workers stopped working. If the remaining workers will continue at the same rate, they will be delayed by 5 days. How many workers are there in the original crew? a. 200 b. 100 c. 190 d. 180 50. A tank can be filled in 48 minutes by two pipes running simultaneously. By the larger pipe it can be filled in 5 minutes less time than by the smaller. Find the time required for the larger pipe to fill it. a. 109.8 min b. 45.2 min c. 93.6 min d. 90.65 min 51. A had wrapped 500 pcs. of candies, when B helped him and together they wrapped 1260 more. A worked for a total 24 minutes. If A worked for 24 min. and b for 12minutes, they will be able to wrap 1680 candies. On the average, how many candies can A wrap per minute? a. 10 b. 50 c. 60 d. 70 52. In a purse are nickels, dimes and quarters amounting to $9.85. There are twice as many dimes as quarters, and the number of nickels is two more than twice and the number of dimes. Determine the number of nickels. a. 16 b. 34 c. 54 d. 62
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