Question: Exercise 5.7.16. [A] Find each weighted average. (a) Three test scores were 75, five test scores were 88 and two test scores were 90, (b)

Exercise 5.7.16. [A] Find each weighted average. (a) Three test scores were 75, five test scores were 88 and two test scores were 90, (b) Over the past month, I took three 5 mile runs, four 7 mile runs and ten 3 mile runs. (c) Last week, the store sold 25 DVDs at $14.99 each, 13 DVDs at $12.99 each and 19 DVDs at $7.99 each. Exercise 5.7.17. [A] Find the grade point average for each student, using Table 5.1. (a) Bob earned an A in a 3 credit course, a B- in a 3 credit course, a B+ in a 4 credit course and an A- in a 3 credit course. (b) Mary earned a C+ in a 3 credit course, an A- in a 4 credit course, a B+ in a 2 credit course, a B+ in a 3 credit course and a B in a 3 credit course. (c) Alice earned a D+ in a 2 credit course, an A in a 3 credit course, an A- in a 4 credit course and a B+ in a 4 credit course

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