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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 drinks she needs to sell to earn $100. 1.25x + 1.49 = 100 What error did Barbara
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Nov 24, 2016
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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 drinks she needs to sell to earn $100.
1.25x + 1.49 = 100
What error did Barbara make in writing the equation?
Mathematics
high-school
Jaumesv
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Barbara’s equation did not consider the number of bottles of iced tea.
Chrisoula
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Nov 26, 2016
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Chrisoula
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1.25x is $1.25 per bottle of water (water=x)
but she forgot to do the same with the bottle of ice tea. It is supposed to be
1.49y or $1.49 per bottle of iced tea (ice tea=y)
The answer is
1.25x + 1.49y = 100
Noughtmare
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Nov 28, 2016
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