Respuesta :

Answer:

The answer is y=0.45x+3.5

Step-by-step explanation:

m=0.45

y=mx+b

y-y=m(x-x1)

y-48.5=0.45(x-100)

y-48.5=0.45x-45

+48.5 +48.5

y=0.45x+3.5