Answer:
D
Explanation:
1 3/4 = (1×4 + 3)/4 = 7/4
8 1/4 = (8×4 + 1)/4 = 33/4
we will know how many weeks it will take by dividing 8 1/4 by the growth length of one week :
33/4 / 7/4 = 33/7 = 4 5/7 weeks.
well, 1/7 of a week is 1 day, as a week has 7 days.
5/7 = 5 days.
so, it takes 4 weeks and 5 days to grow that much.