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Author Topic: Ratio  (Read 468 times)
Eklav Rai
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« on: July 11, 2009, 11:32:32 AM »
A plastic pipe is cut into three pieces in the ratio 5:2:1
The length of the longest piece is 125cm.
find:
(a) the lenth in CM , of the shortest piece,
(b) the total length, metres, of the pipe.
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MathTutor
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« Reply #1 on: July 12, 2009, 07:27:41 AM »
(a) ratio of shortest to longest side = 1:5,
shortest piece = 1/5*125=25 cm

(b) total =5+2+1=8
ratio of total to shortest = 8:1
Total length=8/1*25=200 cm= 200/100 m = 2 m
« Last Edit: July 12, 2009, 07:29:21 AM by MathTutor » Logged
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