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7.6.B-3

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A 300 m wire is cut into three pieces. The second piece is 3 times as long as the first. The third piece is 2 times as long as the second. How long is each piece?
The first piece ismlong.
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Answer 1

30m,90m,180m

Explanation:

With this question the fastest way is to do trial and error.

if u cut up a 300m string into 3 sections, you know the smallest string has to be less than 100 because 300/3=100.

When you tried 30 you would find,

30×3=90.

90×2=180

180+90+30=300