5.0 The ABC Company produces concrete. Two ingredients in concrete are sand (costs Php 300 per ton) and gravel (costs Php 400 per ton). Sand and gravel together must make up exactly 75% of the weight of the concrete. Also, no more than 40% of the concrete can be sand and at least 30% of the concrete be gravel. Each day 2000 tons of concrete are produced. To minimize costs, how many tons of gravel and sand should be purchased each day? 6.0 Validate the given ISBN and check digit. Show your solution. International Standard Book Number ISBN: 978-984-96088-0-6 9789849608806 -End-

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example of Prerequisites for Participation Adequate time to participate Potential benefits greater than costs Relevance to employee interest Adequate employee abilities to deal with the subject

Which of the following is true?   A) If two new workers at a firm earn different salaries, there are likely non-discriminatory explanations for the difference   B)Enforcing equal pay laws will likely increase most workers’ salaries within a firm   C) Firms generally don’t consider previous work experience when determining the salary of a new hire   D) If laws are passed that prevent firms from asking about the previous salary of a potential hire, the firm will have to pay all new workers more, benefiting employees

Choosing to buy the most affordable AND stylish jeans you can find in only one trip to the mall, even when you know they may be cheaper next week, is an example of: A. Modus Ponens B. Modus Tollens C. Satisficing D. Abductive Reasoning

Research shows that problem-solving groups with high trust will ______. Group of answer choices develop greater clarification of goals and problems search less extensively for alternative courses of action have less influence on solutions exchange relevant ideas and feelings less often

why are customer service representatives considered key talent in a business? Use references and references should be in APA Format

Sales people are reluctant to prospect given: Group of answer choices it will add service and maintenance issues to their workload sales people are typically lazy and not motivated they don't enjoy interacting with customers potential demoralizing rejection and the emotional toll.

Which of the following is not an example of a soft skill? 1 communicating effectively 2. Tabulating stastistical info 3. Solving problem 4. Making ethical decisions

Give typed full explanation