Lucy is a dress maker. she sews \dfrac47 7 4 start fraction, 4, divided by, 7, end fraction of a dress in \dfrac34 4 3 start fraction, 3, divided by, 4, end fraction hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour?

The first thing you should do for this case is to solve the problem by applying a simple three rule like the following
4/7 ---> 3/4
x ----> 1
clearing x we have the amount of dresses Lucy sews in an hour:
x = (1 / (3/4)) * (4/7)
x = (4/3) * (4/7) = 16/21
answer
lucy sew 16/21 dresses in one hour

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sunniebarker sunniebarker · Answer 2 · 2019-09-19T23:23:24+02:00

sunniebarker sunniebarker

19-09-2019

Answer:

16/21

Step-by-step explanation:

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Lucy is a dress maker. she sews \dfrac47 ​7 ​ ​4 ​​ start fraction, 4, divided by, 7, end fraction of a dress in \dfrac34 ​4 ​ ​3 ​​ start fraction, 3, divided by, 4, end fraction hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour?

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Lucy is a dress maker. she sews \dfrac47 7 4 start fraction, 4, divided by, 7, end fraction of a dress in \dfrac34 4 3 start fraction, 3, divided by, 4, end fraction hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour?