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Sagot :
(1mile/57.1 sec) x (3,600 sec/hour) = 1 x 3600/57.1 = 63.05 mile/hour (rounded)
we know that
Seth traveled [tex] 1 [/tex] mile in [tex] 57.1 [/tex]second
step [tex] 1 [/tex]
convert [tex] 57.1 [/tex] second to hour
[tex] 1 [/tex] hour is equal to [tex] 3,600\sec [/tex]
by proportion
[tex] \frac{1}{3,600} \frac{hour}{seconds} =\frac{x}{57.1} \frac{hours}{seconds}\\ \\3,600*x=57.1\\\\ x=\frac{57.1}{3,600} \ hours [/tex]
step [tex] 2 [/tex]
Find the speed in miles per hour
we know that
The speed is equal to
[tex] speed=\frac{distance}{time} [/tex]
we have
[tex] distance= 1\ mile \\\\ time=\frac{57.1}{3,600} \ hours [/tex]
[tex] speed= \frac{1}{\frac{57.1}{3,600}} \\\\ speed=\frac{3,600}{57.1} [/tex]
[tex] speed= 63.05\frac{miles}{hour} [/tex]
therefore
the answer is
The speed is equal to [tex] 63.05\frac{miles}{hour} [/tex]
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