savanakeller savanakeller

21-03-2020
Mathematics

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two sodas and two sundaes cost $4. three sodas and one sundae coat $3.90. what is the cost of one soda and one sundae

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sqdancefan sqdancefan

21-03-2020

Answer:

$2

Step-by-step explanation:

The first purchase is twice the value we seek:

2 sodas + 2 sundaes = $4

2 × (1 soda + 1 sundae) = $4

1 soda + 1 sundae = $2 . . . . . . . . . divide by 2

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