Question

Lev took a 70-point test in social studies and earned 61 out of 70 points. Lev thinks he got above a 90% on his test. Show that Lev is incorrect.

Answer 1

Answer:

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Class 12>>Applied Mathematics>>Quantification and Numerical Applications>>Numerical Inequalitites>>Ravi obtained 70 and 75 marks in first t

Question

Ravi obtained 70 and 75 marks in first two unit test. Find the minimum marks he should get in the third test to have an average of at least 60 marks.

Medium

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.

370+75+x≥60

⇒145+x≥180

⇒x≥180−145

this is a answer to the question is 35