anishrsayani anishrsayani

30-04-2018
Mathematics

contestada

On the last test 40% of all students in Mrs.Well's class got grade A. How many students are studying in this class, if there were 28 A's on the test?

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altavistard altavistard

30-04-2018

Let the total # of students in Mrs. W's class be s. 40% of these got the grade "A." This comes to 28 grades of "A." Then: 0.40s=28.
28
Solving for s, s = ---------- = ?
0.40

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RoseG012 RoseG012

16-09-2018

The answer would be 70. You would divide 28/.40

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