The number of people in the restaurant will be 80
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.
Given that there are 82 people in a restaurant. Four groups of 3 leave and then five groups of 2 enter.
The expression will be solved as below:-
E = 82-12+10
E = 82+10-12
E = 92-12
E = 80
Therefore, the number of people in the restaurant will be 80
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