Concept explainers
Grade Point Average In many universities students are given grade points for each credit unit according to the following scale:
A | 4 points |
B | 3 points |
C | 2 points |
D | 1 point |
F | 0 point |
For example, a grade of A in a 3-unit course earns
(a) Find a formula for the GPA of a student who earns a grade of A in
(b) Find the GPA of a student who has earned a grade of A in two 3-unit courses, B in one 4-unit courses and C in three 3-unit courses.
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EBK ALGEBRA AND TRIGONOMETRY
- Grade Point Average In many universities students are given grade points for each credit unit according to the following scale: A4 points B3 points C2 points D1 points F0 points For example, a grade of A in a 3-unit earns 43=12 grade points and grade points and a grade of B in a 5-unit course earns 35=15 grade points. A student’s grade point average (GPA) for these two courses is the total number of grade points earned divided by the number of units; in this case the GPA is (12+15)/8=3.375 . (a) Find a formula for a GPA of a student who earns a grade A in a units of course work, B in b units; C in c units, D in d units, and F in f units. (b) Find a GPA of a student who has earned a grade of A in two-units courses. B in one 4-unit course, and C in three 3-unit courses.arrow_forwardFind the mean hourly cost when the cell phone described above is used for 240 minutes.arrow_forwardHeart Disease In a certain country, the number of deaths due to heart disease decreased from 235 in one year to 221 in the next year. What percentage decrease in deaths due to heart disease does this represent?arrow_forward
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