Lucy took 3 hours to cover 2/3 of a journey. She covered the remaining 60 miles in 2 hours. What was the average speed for the w

Question

Lucy took 3 hours to cover 2/3 of a journey. She covered the
remaining 60 miles in 2 hours. What was the average speed
for the whole journey?
mph

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Dâu 6 months 2021-07-23T05:54:00+00:00 1 Answers 38 views 0

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    2021-07-23T05:55:28+00:00

    Deleted this answer, sorry for any inconveniences that it may have caused.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )