# If 3 centimeters is equal to 30 millimeters, how many centimeters are in 140 millimeters?

##### 1 Answer

Nov 4, 2016

#### Explanation:

The following

#color(blue)"conversion"# is used to convert mm (millimetres) to cm (centimetres) or vice-versa.

#color(red)(bar(ul(|color(white)(2/2)color(black)(1" cm" = 10" mm")color(white)(2/2)|)))# That is to calculate the number of cm for a given number of mm,

#color(blue)"divide by 10"#

#rArr(140"mm")/10=14"cm"#