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Mathematics 7 Online
OpenStudy (mackenzie2013):

On a scale drawing, 1 millimeter equals 4 centimeters. If a line on the drawing is 45 millimeters, how many meters is it actually? 1,800 m 180 m 18 m 1.8 m Please explain!

OpenStudy (paki):

x=45*4= 180

OpenStudy (paki):

use simple ratio technique...

OpenStudy (paki):

like this.... 1mm : 4cm 45mm : X cm now, solve this for "X"... and you will get... 180 @Mackenzie2013

OpenStudy (mackenzie2013):

Ah I get it, Thank you!

OpenStudy (paki):

pleasure...

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