Jenny was reviewing the water bill for her doggy day spa and determined that her highest bill, $3,000, occurred in July when she washed 2,000 dogs and her lowest bill, $2,000, occurred in November when she washed 1,000 dogs. What was the variable cost per dog wash associated with Jenny's water bill?

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The Answer of Jenny was reviewing the water bill for her doggy day spa and determined that her highest bill, $3,000, occurred in July when she washed 2,000 dogs and her lowest bill, $2,000, occurred in November when she washed 1,000 dogs. What was the variable cost per dog wash associated with Jenny's water bill?

Jenny Was Reviewing the Water Bill for Her Doggy Day