SOLUTION: I need help with these word problems. thanks! you are riding your bicycle. it takes you 21 min. to go 5 miiles. if you continue traveling at the same rate, how long will it take

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Question 366282: I need help with these word problems. thanks!
you are riding your bicycle. it takes you 21 min. to go 5 miiles. if you continue traveling at the same rate, how long will it take you to go 12 miles?



according to guinness book of world records, the peregrine falcon has a record diving speed of 168 miles per hr. Write this speed in feet per second.

Found 2 solutions by rfer, edjones:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
5/21=12/x
5x=252
x=50.4 min
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Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
mpm = miles/minute
speed=5/21 mpm
speed*time=distance
(5/21)t=12
t=12*21/5
=50.4 minutes.
.
Ed