Respuesta :

Answer: It will take Johny 28 minutes to type a 2,100 word essay.

Step-by-step explanation:

600 words per 8 minutes. (6 * 3.5 = 21) 8 times 3.5 equals 28 minutes.

Answer:  28 minutes

Work Shown:

(600 words)/(8 minutes) = (2100 words)/(x minutes)

600/8 = 2100/x

75 = 2100/x

75x = 2100

x = 2100/75

x = 28