Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.163 lb =  kg

A. 172.8
B. 414.0
C. 74.1
D. 358.6


Answer: C

Mathematics

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Convert.66.05 hectometers = _____ kilometers

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(a) -28 (b) 28 (c) -56 (d) 56 (e) 70

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Solve the problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 37 units of vitamin A, at least 8 units of vitamin B, and at least 26 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 7 units of C. How many pills should the patient take each day to minimize costs?

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Mathematics