Question
Olivia cuts a piece of thread into three pieces. The first piece is 136 cm shorter than the second piece. The second piece is 7 m 54 cm longer than the third piece. If the first piece is 7 m 78 cm long, find the length of the third piece in m and cm.
4 m

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Olivia cuts a piece of thread into three pieces. The first piece is 136 cm shorter than the second piece. The second piece is 7 m 54 cm longer than the third piece. If the first piece is 7 m 78 cm long, find the length of the third piece in m and cm.