Aneesha travels at a rate of 50 miles per hour. Morris is traveling 3 feet per second less than Aneesha. Which is the best estimate of the speed Morris is traveling?
1 mile = 5,280 feet
45 miles per hour
46 miles per hour
47 miles per hour
48 miles per hour
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OpenStudy (anonymous):
help
OpenStudy (mokeira):
step 1 change them to similar measurements @kobe123
OpenStudy (mokeira):
change 50miles per hour to feet per second and tell me what you get
OpenStudy (anonymous):
264000
OpenStudy (mokeira):
that is now in feet per hour..change to per second
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OpenStudy (anonymous):
how would i do that?
OpenStudy (mokeira):
how many seconds are in an hour?
OpenStudy (anonymous):
3600
OpenStudy (mokeira):
now multiply that by 264000
OpenStudy (anonymous):
73.3333333333
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OpenStudy (mokeira):
oops...you divided. you should multiply because when you convert hours to seconds you multiply
OpenStudy (anonymous):
950400000
OpenStudy (anonymous):
my apology i meant to multiply
OpenStudy (mokeira):
no problem so we are told that Morris is 3ft per second less...so just subtract from what you got
OpenStudy (anonymous):
ayyyeeeee
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