Ben is 140cm tall.mike is 1090mm tall. who is taller? how much taller?

asked Sep 3, 2015 42.5k views

1 vote

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7 votes

Ben is taller, 1090mm into m = 109cm

$\left[\begin{array}{ccc}1&^(3) 4& ^(10) 0\\1&0&9\\\\&3&1\end{array}\right]$ so 31cm taller

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2 votes

1090 mm = 109 cm ⇒ Ben is taller
140-109=31 cm <-- this much

Piero answered Sep 8, 2015

by Piero

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