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Mathematics 38 Online
OpenStudy (anonymous):

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

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

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

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

OpenStudy (anonymous):

thanks mokeira

OpenStudy (mokeira):

then convert back to miles per hour...

OpenStudy (mokeira):

ok cool...you welcome :)

OpenStudy (anonymous):

whatcha doing

OpenStudy (anonymous):

So whats the answer?

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