Melissa's grade in her math class is determined bythree 100 -point tests and a 200-point final exam. Todetermine the grade for a student in this class, theinstructor will add the four scores together and dividethis sum by 5 to obtain a percentage. Thispercentage must be at least 80 for a grade of B. IfMelissa's three test scores are 75,69 , and 87, what isthe minimum score she needs on the final exam toobtain a B grade?

The mathematical expression "x is at least y" can be written as x≥y.

Answered: Melissa's grade in her math class is…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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