Respuesta :

Answer:

160 sandwiches/hour

Step-by-step explanation:

To find his unit rate, divide 400 by 2.5, since he can make 400 sandwiches in 2.5 hours:

400/2.5

= 160

This means he can make 160 sandwiches in 1 hour.

So, his unit rate is 160 sandwiches/hour