Natalia wants to put a decorative edge around her flower bed. She already has 4 feet of edging, but she needs enough to edge 95 feet. The ed

Question

Natalia wants to put a decorative edge around her flower bed. She already has 4 feet of edging, but she needs enough to edge 95 feet. The edging material comes in rolls 7 feet long.
Write and solve an inequality to find the number of rolls Natalia needs?

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Jezebel 5 years 2021-09-03T18:18:59+00:00 1 Answers 20 views 0

Answers ( )

  1. linhdan
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    2021-09-03T18:20:54+00:00
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    Answer:

    91 ft ≤ (7 ft)n   or   n ≤ 13

    Step-by-step explanation:

    total amount of edging is

    e(n) ≤ 4 ft + (7 ft)n  

    This inequality relates the total length of edging to the number of 7 ft rolls needed.

    If Natalia needs 95 ft of edging, we write e(n) ≤ 4 ft + (7 ft)n  as

    95 ft ≤ 4 ft + (7 ft)n

    which simplifies to

    91 ft ≤ (7 ft)n   or   n ≤ 13

    Natalia must purchase 13 rolls.  This, combined with the initial 4 ft of edging, will be just the right amount of edging to complete the job.

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