Respuesta :

Answer:

400

Step-by-step explanation:

20 divided by 200

then you would use that answer to simply the addition or subtraction

You would also need too use that same expression put it into an fraction

then use it for the equation

They can 800 bagels in 20 hours.
200:5 = 800:20
in four times as many hours they can make four times as many bagels.
200 x 4 = 800 bagels