Respuesta :

Answer:

12

Step-by-step explanation:

140/4=35 35 x 12=420

Answer:

It will take him 12 minutes to type 420 words.

Step-by-step explanation:

Diego can type 35 words per minute. (140/4=35)

1. 140/4 = 35

2. 420/35 = 12

3. 12 minutes