Question
Mrs Reggie compares the length of 3 threads, P, Q and R. Thread P is 370 cm long. It is 116 cm longer than Thread R. Thread R is 255 cm shorter than Thread Q. What is the length of Thread Q?
4 m

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Mrs Reggie compares the length of 3 threads, P, Q and R. Thread P is 370 cm long. It is 116 cm longer than Thread R. Thread R is 255 cm shorter than Thread Q. What is the length of Thread Q?