Respuesta :

The value of the expression is 19

Step-by-step explanation:

  • Step 1: Find the value of 9(n + 2) - 5n when n = 1/4

⇒ 9(n + 2) - 5n = 9(1/4 + 2) - 5 × 1/4

                         = 9(9/4) - 5/4

                         = 81/4 - 5/4 = 76/4 = 19