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k0ka [10]
2 years ago
6

If an item has a retail price = $475 and a discount of $45, what percentage discount is offered?

Mathematics
1 answer:
uranmaximum [27]2 years ago
3 0

Answer:

A 9.47% discount was given

Step-by-step explanation:

The question is asking us to find how much percent of 475 is 45. Therefore we do the following:

\frac{45}{475}  \times  \frac{100}{1}  =  \frac{4500}{475}

after dividing we get 9.473 which is approximately 9.47%

To check if what we got is correct we do the opposite and instead find 9.47% of 475.

\frac{475}{1}  \times  \frac{9.47}{100}  =  \frac{4498.25}{100}

After dividing we find that is equal to 44.98 which is approximately 45.

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Answer:

Overall final score = 77.75% ; Grade = C.

Step-by-step explanation:

The approach to solve this question is to realize that the marks have to be converted into the respective percentages of the whole course. This means that the marks of all the components have to be normalized according to the grading breakdown.

Project Marks = 97/100. Weightage = 15%. So 97*15/100 = 14.55/15.

This means that the student received 14.55 marks in the project out of 15.

Similarly for other components:

Mid-Term Marks = 83/100. Weightage = 15%. So 83*15/100 = 12.45/15.

Homework Marks = 82/100. Weightage = 35%. So 82*35/100 = 28.7/35.

Finals Marks = 63/100. Weightage = 35%. So 63*35/100 = 22.05/35.

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