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29-04-2016
Mathematics

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A metal rod 9.4 meters long is cut into two pieces. One piece is three times as long as the other. Find the length of the longer piece in meters. Round your answer to the nearest 10th of a meter.

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nathan127 nathan127

29-04-2016

2a + b = 9.4

There are 3 parts, 2 go to Rod A, 1 go to Rod B.

9.4 / 3 = 3.13333 recurring

Rod A = 2(3.13)
= 6.26

Rod B =
3.13

Rounding, Rod A = 6.3 , Rod B = 3.1

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