The Blakely family plans to plant sod (grass) in their backyard. The yard measures 250 feet by 180 feet. The family has an in-gr
1 answer:
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Answer:
%82.5
Step-by-step explanation:
- The final exam of a particular class makes up 40% of the final grade
- Moe is failing the class with an average (arithmetic mean) of 45% just before taking the final exam.
From point 1 we know that Moe´s grade just before taking the final exam represents 60% of the final grade. Then, using the information in the point 2 we can compute Moe´s final grade as follows:
,
where FG is Moe´s Final Grade and FE is Moe´s final exam grade. Then,
.
So, in order to receive the passing grade average of 60% for the class Moe needs to obtain in his exam:
That is, he need al least %82.5 to obtain a passing grade.
The value of "K"
MMC (3,6)
3,6 | 3
1,2 | 2
1,1 |__ 3*2 = 6
Solving:
cancel denominators (6)
MMC (3,6)
3,6 | 3
1,2 | 2
1,1 |__ 3*2 = 6
Solving:
cancel denominators (6)