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Mathematics 18 Online
OpenStudy (anonymous):

Eric goes for a walk every night after work. A map of the route has a scale of 1:20,000 in centimeters. If Eric walks 2.1 kilometers on Monday night, how many centimeters is the route on the map?

OpenStudy (anonymous):

1 what = 20,000 cm?

OpenStudy (anonymous):

1 cm = 20,000 cm.

OpenStudy (amistre64):

1 is to 20000 as (what) is to 2.1

OpenStudy (anonymous):

oh, 1 cm on map = 20,000 cm.

OpenStudy (amistre64):

what? lol

OpenStudy (amistre64):

damn english maps lol

OpenStudy (anonymous):

haha

OpenStudy (amistre64):

1k = 1000 meters = .01000 10^5 1k = 1 x10^5 right?

OpenStudy (anonymous):

yeah.

OpenStudy (amistre64):

100 cm = 1 m times both by 1000 100000 cm = 1k in real scale right?

OpenStudy (amistre64):

1/5 of that is their scale

OpenStudy (amistre64):

2,100/5 = 420....my brain hurts lol

OpenStudy (amistre64):

4.2 centimeters? thats a guess

OpenStudy (amistre64):

100,000 centimeter = 1 k 2.1 ------ 210,000/ 20,000 10.5 centimeters...

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