Keiko sold 3 less than three-fourths of his sister’s sales. Which expression represents what Keiko sold? 3/4x - 3
3/4x + 3
3x + 3/4
3x - 3/4

An algebraic expression is an expression obtained by a finite number of the fundamental operations of algebra upon symbols representing numbers.

Three-fourths is denoted by

Let sales of Keiko's sister be

Also, Keiko sold less than three-fourths of his sister’s sales.

So, an expression that represents what Keiko sold is given by  

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