The correct option is The Barbara equation did not consider the number of bottles of water.
Given,
The selling price of iced tea is $1.49 per bottle.
The selling price of water is $1.25 per bottle.
Equation written by the Barbara,
Here in this question Barbara multiply the selling price of bottle with the number of bottle using the coefficient x, But she did not use any coefficient for the bottle of water. The correct equation is,
where<em> y </em>is the number of water bottle sold to earn the profit of $100.
Hence the correct option is the Barbara equation did not consider the number of bottles of water.
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