Lucy is a dress maker. she sees 4/7 of a dress in 3/4 of an hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicate.

she sews 16/21  dress in 1 hour

Step-by-step explanation:

She sews 4/7 a dress in 3/4 hour.

In 1 hour she will sew x dress

using cross method  

dress                      time

4/7                           3/4

x                                1

x= 4/7*1*4/3= 16/21 dress

7 weeks

step-by-step explanation:

convert each fraction to the least common multiple of 20, so 3/4 = 15/20 & 1/10 = 2/20, then divide 15 by 2 and you get a little over 7, so the food will last 7 weeks.

answer: -8.2562234e+13