rt1ikaysimmt rt1ikaysimmt

11-10-2016
Mathematics

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Two points of cheese cost 8.40. show the cost of 1,2,3,4 pounds of cheese. is there a direct variation? explain

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apologiabiology apologiabiology

11-10-2016

directe means as x goes up, y goes up, as x goes down, y goes down

this means

if it is direct, then the more cheese you buy, the more it costs
1lb=4.20
2lb=8.40
3lb=12.60
4lb=16.80

direcct, yes

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