The algebraic expression that is equivalent to the given expression is: 9(6x + 4y).
Algebraic expressions are often used to represent real life situations, and are written by using numbers and variables in the form of letters.
In the situation given:
x = number of 6 top tables = 6x
y = number of 4 top tables = 4y
If there are 7 waiters, 1 manager, and 1 cashier, therefore, the algebraic expression that is equivalent to the given expression is: 9(6x + 4y).
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