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I am confused with this problem,

A 14.1 oz box of cereal costs $2.89. Find the constant of direct variation

I don't know how to figure out the constant of direct variation and i need help.

1 answer

cost varies directly with weight, so

c = kw

plug in your values:

2.89 = k*14.1
k = .204

most likely, k = .2 = 1/5

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