I think your question isn’t phrased well
1/x + 1/y = 8
x + y = 8
6/x + 12/y = 72n
Hello, hope you are having a wonderful day.
A point has 0 dimensions. It has no length, width, or depth.
So any point in space has 0 dimensions.
Now, a line has 1 dimension.
Rectangles, squares and other shapes have 2 dimensions.
Cylinders, cubes, cones and other figures have 3 dimensions.
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SOLUTION
The total number of females =

if 14 have an A in the class, the number of students without A is:

8 male students do not have an A, therefore the number of female students without an A is:

The probability that a student does not have an A given that the student is female can be calculated thus:
