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vodomira [7]
2 years ago
8

A piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4

Mathematics
2 answers:
ikadub [295]2 years ago
6 0
The\ ratio\ is:2:3:4\\
Let's\ sum\ up\ it:\\
2+3+4=9\\
\frac{2}{9}*180=40\\
\frac{3}{9}*180=60\\
\frac{4}{9}*180=80\\
The\ longest\ piece\ has\ lenth=80cm
Harlamova29_29 [7]2 years ago
3 0
2:3:4
2:3:4 can be written as 2x:3x:4x

2x+3x+4x=180
9x=180
x=20 

Therefore it is
40:60:80
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