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NeTakaya
3 years ago
8

One hamburger and one coke cost $3.20. Three hamburgers and one coke cost $8.00. Find the cost of one hamburger.

Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
5 0

Answer:

$0.80

Step-by-step explanation:

-3 (1x + 1y = 3.2)

3x + 1y = 8

----------------

-3x - 3y = -9.6

+

3x + 1 y = 8

-------------------

0x -2y = -1.6

÷ -2

-----------------

y = 0.8

one hamburger costs $0.80

Nikitich [7]3 years ago
3 0
I'm pretty sure it's A
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<h3>What is a factor?</h3>

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