Please help me with this problem

Mathematics
Tutor: None Selected Time limit: 1 Day

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 = 
sยท3
  
Sep 10th, 2015

Hello!

(b) the formula is correct, d = s*3 (miles).

(a) s is not a constant -- it is a value that can change. 3 is a constant.

Please ask if something is unclear.
Sep 10th, 2015

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Sep 10th, 2015
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Sep 10th, 2015
Dec 9th, 2016
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