a 16-ounce bottle of water from store A costs $1.28. the cost in dollars, y, of a bottle of water from store B is represented by the equation y= 0.07x, where x is the number of ounces. what is the cost per ounce of water at each store? which stores bottle of water costs less per ounce?
Question
Answer:
store A : 1.28/16 = 0.08 per ozstore B : y = 0.07x......= 0.07 per oz
Store B has the cheaper water.....by 1 cent per oz
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10 months ago
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