Question

Rajeev scored 70% marks in Math and 65% marks in Science. He wants to know how many marks he needs to achieve to secure at least 90% in English. Which feature of spreadsheet is best suited to calculate this?

Answer 1

Answer:

Let x be the marks obtained by Ravi in the third unit test.

Since the student should have an average of at least 60 marks.

3

70+75+x

≥60

⇒145+x≥180

⇒x≥180−145

⇒x≥35

Thus the student must obtain a minimum of 35 marks to have an average of at least 60 marks.

Explanation:

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Answer 2

Explanation:

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