The cost, c, of a ham sandwich at a deli varies directly with the number of sandwiches, n. If c = $54 when n is 9, what is the cost of the sandwiches when n is 3?

Answers

Answer 1
c=18
if c=54 when n=9, and you need to know c when n is 3, just divide 54 by 3 as well! hope this helped
Answer 2

Since, c varies directly as n, the cost of the sandwiches when n equals to 3 is 18.

What is variation?

Variation is defined by any change in some quantity due to change in another.

Therefore,

c ∝ n

c = kn

where

k = constant of proportionality

Therefore,

54 = 9k

k = 54 / 9

k = 6

Therefore, when n = 3 , c = ?

c = 6 × 3

c = 18

learn more on variation here: https://brainly.com/question/10545890

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Answers

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Answers

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Answers

Answer:

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Answer:

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Answers

Answer:

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Answer:

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