Museum A natural history museum borrows
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Chapter 7 Solutions
College Algebra
- Motherboards A manufacturer produces motherboards and chips for computers. The production line produces 45 items per day, and each motherboard requires two chips the northbridge and the southbridge. a. Using M for the number of motherboards and C for the number of chips, write a system of two equation in two unknowns that determines the number of motherboards and the number of chips that are produced each day. b. How many motherboards and how many chips are produced each day?arrow_forwardUse the system of three equations in three variables to solve each problem. Investment income A women invested at 22,000 rollover IRA account in three banks paying 5, 6 and 7 annual interest. She invested 2000 more at 6 than at 5. The total annual interest she earned was 1370. How much did she invest at each rate?arrow_forwardShipping A warehouse supervisor has instructions to ship at least 50 bags of gravel that weigh 55 pounds each and at least 40 bags of stone that weigh 70 pounds each. The maximum weight capacity of the truck being used is 7500 pounds. (a) Write and graph a system that describes the numbers of bags of stone and gravel that can be shipped. (b) Find two solutions of the system and interpret their meanings in the context of the problem.arrow_forward
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