Solve the problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 40 units of vitamin A, at least 9 units of vitamin B, and at least 30 units of vitamin C. The red vitamin pills cost 
each and contain 7 units of A, 1 unit of B, and 2 units of C. The blue vitamin pills cost 
each and contain 3 units of A, 1 unit of B, and 6 units of C. How many pills should the patient take each day to minimize costs?
A. 9 red and 0 blue
B. 6 red and 3 blue
C. 3 red and 6 blue
D. 7 red and 2 blue
Answer: B
Mathematics
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A. 
2 + 
2 = 
B. 
2 + 
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C. 
2 + 
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A. 
sin-1
B. 
tan-1
C. 
tan-1
D. sin-1
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A. 
?
B. 
?
C. 
?
D. 
?
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Convert to percent.0.00947
A. 0.000947% B. 0.947% C. 0.0947% D. 0.4735%
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