Respuesta :

Answer:

15 inches in 210 days

Step-by-step explanation:

First find the growth rate in inches/day:

50 inches

--------------- = (1/2) inch/wk = (1/14) inch/day

(100 wks)

Then 210 days       1 inch

         ------------- * --------------- = 15 inches

                 1             14 day

The plant grew 15 inches in 210 days.