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a.) The cost for a long-distance telephone call varies directly with time. Time (min) 2 4 5 Cost ($) 0.16 0.32 0.40 Constant of Variation: Determine the cost for a long distance call that lasted 22 minutes. b.) The total mass of magazines varies directly with the number of magazines. Number 4 7 8 Mass (kg) 1.80 3.15 3.60 Constant of Variation: 4 Determine the mass of 37 magazines.

a.) The cost for a long-distance telephone call varies directly with time. Time (min) 2 4 5 Cost ($) 0.16 0.32 0.40 Constant of Variation: Determine the cost for a long distance call that lasted 22 minutes. b.) The total mass of magazines varies directly with the number of magazines. Number 4 7 8 Mass (kg) 1.80 3.15 3.60 Constant of Variation: 4 Determine the mass of 37 magazines.

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter61: Areas Of Circles, Sectors, And Segments
Section: Chapter Questions
Problem 50A
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How do you figure out a and b thank you 

a.) The cost for a long-distance telephone call varies directly with time. Time (min) 2 4 5 Cost ($) 0.16 0.32 0.40 Constant of Variation: Determine the cost for a long distance call that lasted 22 minutes. b.) The total mass of magazines varies directly with the number of magazines. Number 4 7 8 Mass (kg) 1.80 3.15 3.60 Constant of Variation: W Determine the mass of 37 magazines.
Transcribed Image Text:a.) The cost for a long-distance telephone call varies directly with time. Time (min) 2 4 5 Cost ($) 0.16 0.32 0.40 Constant of Variation: Determine the cost for a long distance call that lasted 22 minutes. b.) The total mass of magazines varies directly with the number of magazines. Number 4 7 8 Mass (kg) 1.80 3.15 3.60 Constant of Variation: W Determine the mass of 37 magazines.
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