Solve the problem.An economy consists of steel and coal. The steel industry consumes $ 0.25 of coal and $ 0.02 of steel to produce $1 of steel. The coal industry requires $0.04 coal and $0.01 steel to produce $1 coal.(a) What is the input-output matrix for this economy?(b) What is the amount of coal needed for a steel production level of $30 million?
What will be an ideal response?
| (a) |  |
| (b) | $7.5 million |
Mathematics
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A. 
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C. 
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(slope of secant to curve f(x) = 
)
A. m = - 
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C. m = 
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Translate the sentence into an equation. Use x to represent the unknown number. The quotient of a number and 3 results in 4.
A. 
= 4
B. 3x = 4
C. 3 - x = 4
D. 
= 4
Mathematics