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3a
4.1 Exercises pg 63-64
1. Numeric
2. illegal
3. String
4. String
5. Character
6. Numeric
7. illegal
4.3 (coding problem, submitted on other file.)
6.1 Exercises pg 122
1. invalid, 5x should explicitly read 5*x
2. invalid, 0 should be a variable
3. valid
4. invalid, 0 should be a variable
3b
4.12 Exercises pg 82-83
1. problem: they are multiplying the old wage by .06, which would take .06%, not raise it by .06%.
fix: (@line 3) New_wage = Old_wage * 1.06
2. problems: First, the variable Assign_avg is used instead of the previously defined Assignment_avg/
Second, don't multiply the individual test scores by .15.
Third, Assign_avg (which should be Assignment_avg) should be multiplied by .30 instead of .20
Lastly, Test_avg should be multiplied by .45, not .40
fixes: Test_avg = (Test1 + Test2 + Test3)/3
Class_score = assignment_avg *.30 + Test_avg * .45 + Final * .25
3c
4.13
1. Variables needed: ProductionHours, PreProductionHours, ProducersHours, ProductionCost, PreProductionCost, ProducersCost, TotalCost
2. (coding problem, submitted on other file.)
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