Mathematics For Machine Technology
8th Edition
ISBN: 9781337798310
Author: Peterson, John.
Publisher: Cengage Learning,
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Textbook Question
Chapter 24, Problem 9A
Finding Percentage, Percent, and Base in Practical Applications
Solve the following problems.
9. A machine operator completes a job in 80% of the estimated time. The estimated time is
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Chapter 24 Solutions
Mathematics For Machine Technology
Ch. 24 - What is 7.25% of 43.80? Round your answer to 2...Ch. 24 - Express 3.5% as a common fraction.Ch. 24 - Solve the proportion A12=2745 . If necessary,...Ch. 24 - Prob. 4ACh. 24 - Prob. 5ACh. 24 - Prob. 6ACh. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...
Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Prob. 17ACh. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Prob. 21ACh. 24 - Prob. 22ACh. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Prob. 25ACh. 24 - Prob. 26ACh. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Finding Percentage, Percent, and Base in Practical...Ch. 24 - Prob. 31ACh. 24 - A manufacturer estimates that 15,500 pieces per...Ch. 24 - The average percent defective product of a...Ch. 24 - Prob. 34ACh. 24 - Prob. 35ACh. 24 - The cost of one dozen cutters is listed as $525. A...Ch. 24 - A manufacturer's production this week is 3620...Ch. 24 - Two machines are used to produce the same product....Ch. 24 - Allowing for scrap, a firm produced 1890 pieces....Ch. 24 - A manufacturing company receives $122,000 upon the...Ch. 24 - Prob. 41A
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- Finding Percentage, Percent, and Base in Practical Applications Solve the following problems. 7. The total amount of time required to machine a part is 12.5 hours. Milling machine operations take 7.0 hours. What percent of the total time is spent on the milling machine?arrow_forwardFinding Percentage, Percent, and Base in Practical Applications Solve the following problems. 28. It is estimated that 125 meters of channel iron are required for a job. Channel iron is ordered, including an additional 20% allowance for scrap and waste. Actually, 175 meters of channel iron are used for the job. The amount actually used is what percent more than the amount ordered? Round the answer to the nearest whole percent.arrow_forwardFinding Percentage, Percent, and Base in Practical Applications Solve the following problems. 18. A manufacturer estimates the following percent costs to produce a product: labor, 38%; materials, 45%; overhead, 17%. The total cost of production is $120,000. Determine each of the dollar costs. Materials: Labor: Overhead:arrow_forward
- A manufacturing company receives $122,000 upon the completion of a job. Total expenses for the job are $110,400. What percent of the job is profit? Round the answer to 1 decimal place.arrow_forwardFinding Percentage, Percent, and Base in Practical Applications Solve the following problems. 8. A casting, when first poured, is 17.875 centimeters long. The casting shrinks 0.188 centimeter as it cools. What is the percent shrinkage? Round the answer to 2 decimal places.arrow_forwardFinding Percentage, Percent, and Base in Practical Applications Solve the following problems. 19. An iron casting shrinks 18inch per foot. What is the percentage shrinkage? Round the answer to the nearest whole percent.arrow_forward
- Heart Disease In a certain country, the number of deaths due to heart disease decreased from 235 in one year to 221 in the next year. What percentage decrease in deaths due to heart disease does this represent?arrow_forwardFinding Percentage, Percent, and Base in Practical Applications Solve the following problems. 20. A hot brass casting when first poured in a mold is 9.25 inches long. The shrinkage is 1.38%. What is the length of the casting when cooled? Round the answer to 2 decimal places.arrow_forwardFinding Percentage, Percent, and Base in Practical Applications Solve the following problems. 12. An engine loses 4.2 horsepower through friction. The power loss is 6% of the total rated horsepower. What is the total horsepower rating?arrow_forward
- Finding Percentage, Percent, and Base in Practical Applications Solve the following problems. 24. A machinist's weekly gross income is $745. The following percent deductions are made from the gross income: Federal Income Tax, 14.20% State Income Tax, 4.50% Social Security, 7.60% Determine the net income (take-home pay) after the deductions are made.arrow_forwardThe average percent defective product of a manufacturing plant is 1.20%. On a particular day 50 pieces were rejected out of a total daily production of 2730 pieces. What is the percent increase of defective pieces for the day above the average percent defective? Round the answer to 2 decimal places.arrow_forwardClearance A department store is clearing out merchandise in order to make room for new inventory. The plan is to mark down items by 30% each week. This means that each week the cost of an item is 70% of the previous week’s cost. If the original cost of a sofa was $1,000, the cost for the first week would be $1000(0.70) and the cost of the item during the second week would be $1,000(0.70)2. Complete the table shown below. What will be the cost of the sofa during the fifth week? Simplify the expression, to show the cost in dollars.arrow_forward
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