Mathematics Homework Help

Mathematics Homework Help. Please help me with this problem

The distance d, in miles, that a car travels on a 3-hour trip is proportional to its speed s (which we assume remains the same throughout the trip), in miles per hour.

(a) What is the constant of proportionality in this case?
  

(b) Write a formula that expresses d as a function of s.
d = 

s·3

  

Mathematics Homework Help

 
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