Solve.Suppose economists use as a model of a country's economy the equation C = 0.7050D + 5.9077where 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 $8.02 billion. Round your answer to the nearest tenth of a billion.
A. $5.5 billion
B. $2.9 billion
C. $11.6 billion
D. $3.0 billion
Answer: D
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