Answer:
$ 0.75
Step-by-step explanation:
A common mistake is to simply subtract $3 from $4.50, resulting in a cost of $1.50 for the soda. However, that's incorrect. To correctly set up this solution, create an equation, using "s" for the soda. You know that the bottle costs $3 more than the soda, so the bottle would be represented as s + 3, using the following steps:
s + (s + 3) = 4.50
2s + 3 = 4.50
2s = 1.50
s = 0.75
So the cost of the soda is $0.75. The bottle is $3 more than that, or $3.75.
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