Ayesha bought a 24-pack of lip gloss for $18.72. What is the unit cost per tube of lip gloss?
2 answers:
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Answer:
Step-by-step explanation:
y = 3x + 4, and
y = x + 2
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Use the vale of y in the 2nd equation in the first:
y = 3x + 4
x + 2 = 3x + 4
-2x = 2
x = -1
Use this value of x (-1) in either equation to find y:
y = x + 2
y = -1 + 2
y = 1
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(-1,1)
See attached graph.
Answer:
A resposta é 6,4
Step-by-step explanation:
