SOLUTION: Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles she needs to sell to earn $100.
1.25x + 1.49 = 1
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-> SOLUTION: Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles she needs to sell to earn $100.
1.25x + 1.49 = 1
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Question 1207015: Barbara sells iced tea for $1.49 per bottle and water for $1.25 per bottle. She wrote an equation to find the number of bottles she needs to sell to earn $100.
1.25x + 1.49 = 100
What error did Barbara make in writing the equation?
Barbara’s equation did not consider the number of bottles of water.
Barbara’s equation did not consider the number of bottles of iced tea.
Barbara’s equation did not use the correct price for the bottles of iced tea.
Barbara's equation did not use the correct total for sales. Answer by math_tutor2020(3816) (Show Source):
x = number of bottles of water
1.25x = amount gained from selling that amount of water
Barbara forgot to introduce another variable, let's call it y, to represent the number of bottles of tea.
The 1.49 should be 1.49y
The overall equation should be 1.25x+1.49y = 100
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