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The correctexpressionwhich represents ''3 less than 5timesa number'' would be,A) 5n - 3Mathematical expression is defined as thecollectionof numbers variables and functions by using operations like addition, subtraction, multiplication, and division.Given that,Amathematicalexpression is,''3 less than 5 times a number''Let us assume that,Anumber= xHence, theexpressionto represent ''3 less than 5 times a number'' is,⇒ (5 × n) - 3⇒ 5n - 3So, the correct option is,A) 5n - 3To learn more about themathematical expressionvisit:brainly.com/question/1859113#SPJ6...