Evaluating the Expression with Given Values

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Question:

What are the values of the following expression?

In each line, assume that:

x = 2.5 y = -1.5 m = 18 n = 4

5 * x - n / 5

Answer:

To evaluate the expression ( 5 * x - n / 5 ) with the given values:

  • ( x = 2.5 )
  • ( n = 4 )

First, substitute the values into the expression:

  1. Calculate ( 5 * x ): [ 5 * 2.5 = 12.5 ]

  2. Calculate ( n / 5 ): [ 4 / 5 = 0.8 ]

  3. Now substitute these results back into the expression: [ 12.5 - 0.8 ]

  4. Finally, perform the subtraction: [ 12.5 - 0.8 = 11.7 ]

Thus, the value of the expression ( 5 * x - n / 5 ) is ( 11.7 ).