14-12-2016
Mathematics

contestada

Jim rode at 20mph. His distance, d miles, is directly proportional to the time he rides, + hours. Identify the constant of proportionality and write an equation.

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mathssydney mathssydney

14-12-2016

the constant is his speed (20 mph)
and equation would be d = 20t,
where
d - distance
t - time

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