juicypanda
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You are studying for your final exam of the semester. Up to this point you recived 3 exam scores of 99%, 80% and 70%. To revive a grade of B in the class you must have an average score between 80% and 89% for all exams including the final. Find the widest range of scores that you can get on the final exam in order to recive a grade of b in the class.
A: 62,100
B: 71,100
C: 74,97

Respuesta :

musiclover10045

80*4 =320

89*4 =356

 all 4 grades need to add to those totals


99+80+70 =249

320-249 =71

356-249=107

 since you cant get a 107

 since 71 is the lowest grade you can get the range is 71,100



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