Respuesta :

Answer:

t = 4d + 5

Step-by-step explanation:

The answer can be obtained through trial and error method.

Checking :

(1) d = 1

t = 4d + 5

t = 4 (1) + 5

t = 4 + 5

t = 9

(2) d = 5

t = 4d + 5

t = 4 (5) + 5

t = 20 + 5

t = 25