The expressions that can not be used to calculate the total amount paid for a meal (m) including a 15% tip is m+1.15m.
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
The expressions that can be used to to calculate the total amount paid for a meal(m) including a 15% tip are;
Total = Cost of Meal + 15% Tip
= m + 0.15 m
= m + (3/20) m
= 1.15 m
Hence, the expressions that can not be used to calculate the total amount paid for a meal (m) including a 15% tip is m+1.15m.
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