Your food costs are $5,500. Your total food sales are $11,000. What percent of your food sales do the food costs represent?
2 answers:
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Answer:
Step-by-step explanation:
I hope you mean y = x² - 12 and not y = 2x - 12.
You switch the y and x variables:
x = y² - 12
And solve for y:
x + 12 = y²