Lucy is a dress maker. She sews 4/7 of a dress in 3/4 hour. Lucy sews at a constant rate. At this rate, how many dresses does Lucy sew in on

Question

Lucy is a dress maker. She sews 4/7 of a dress in 3/4 hour. Lucy sews at a constant rate. At this rate, how many dresses does Lucy sew in one hour?
Include fractions of dresses if applicable.

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Thu Thảo 5 years 2021-08-20T18:47:17+00:00 1 Answers 22 views 0

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  1. Tryphena
    0
    2021-08-20T18:49:01+00:00
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    Answer:

    16/21 dresses

    Step-by-step explanation:

    3/4 · k hours: 4/7 · k dresses for any constant k

    If we want 1 hour, then k will need to be 4/3

    4/3 × 4/3 hours: 4/7 × 4/3

    1 hour = 16/21 dresses

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