Solve the problem.Suppose economists use as a model of a country's economy the equation C = 0.6794D + 5.9385where C represents the consumption of products in billions of dollars and D represents disposable income in billions of dollars. Solve the equation for D and use the result to determine the disposable income D if the consumption C is $9.08 billion. Round your answer to the nearest tenth of a billion.
A. $4.6 billion
B. $12.1 billion
C. $4.4 billion
D. $7.4 billion
Answer: A
Mathematics
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x = 9
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Mathematics