Answer :
There are 19 students in the class
What is algebra?
The area of mathematics known as algebra deals with symbols and the formulas used to manipulate them. These symbols, which are currently expressed as Latin and Greek letters, are used in elementary algebra to represent variables or quantities without set values.
Given
If Stanley is the 10th tallest, then there are 9 shorter students
and if he is 10th shortest in the class, there are 9 taller students
9 + 1 + 9=19
so, there are 19 students in the class
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