SOLUTION: Rita ran 77 feet in 10 seconds. How many miles per hour is she going?

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Question 685728: Rita ran 77 feet in 10 seconds. How many miles per hour is she going?
Found 3 solutions by sachi, ankor@dixie-net.com, MathLover1:
Answer by sachi(548) About Me  (Show Source):
You can put this solution on YOUR website!
77 feet/10 sec= 77/10 feet/sec = 77/10*3600/5280 =5.25 miles/hr
as 5280ft=1 mile & 1 hr= 3600 sec)
ans

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
ita ran 77 feet in 10 seconds. How many miles per hour is she going?
:
Find how far in 1 sec: 77/10 = 7.7 ft/sec
:
Change to Mph
%283600%2A7.7%29%2F5280 = 5.25 mph

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
feet%2F5280+=+miles.......=> 77ft=%2877%2F5280%29mil=0.01458mil
seconds+%2F+3600+=+hours.......=> 10sec=%2810%2F3600%29h=0.0028h
%2877feet%2F10second%29+=%280.01458%2F0.0028%29%28miles%2Fhour%29=5.207%28miles%2Fhour%29