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Trava [24]
3 years ago
11

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

Mathematics
1 answer:
Luden [163]3 years ago
3 0

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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