In Exercises 33-41, use the four-step strategy to solve each problem Use x, y and z to represent unknown quantities- Then translate from the verbal conditions of the problem to a System of three equations in three variables.
The bar graph shows the average number of hours U.S. college students study per week for seven selected majors-Study times are rounded to the nearest hour.
Source: statista.com
The combined weekly study time for students majoring in chemical engineering, mathematics, and psychology is 52 hours. The difference between weekly study lime for chemical engineering majors and math majors is 6 hours. The difference between weekly study time for chemical engineering majors and psychology majors is 8 hours, find the average number of hours per week that chemical engineering majors mathematics majors, and psychology majors spend studying.
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College Algebra, Books A La Carte Edition with Integrated Review and Worksheets Plus MyLab Math with eText -- Access Card Package (7th Edition)
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