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Mathematics, 04.03.2021 14:00 Demondevilg

Towns P, Q and R are connected by roads PQ ,PR and QR. PR is 10km longer than PQ QR is twice as long as PR.
The total length of three roads is 170km.
Work out length of PQ.

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Towns P, Q and R are connected by roads PQ ,PR and QR. PR is 10km longer than PQ QR is twice as lon...

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