Last night, Olivia spent 1 2/5 hours on her math homework, then 45 minutes on her science homework. What is the total time she spent doing h

Question

Last night, Olivia spent 1 2/5 hours on her math homework, then 45 minutes on her science homework. What is the total time she spent doing her math and science homework?

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Linh Đan 5 years 2021-07-29T17:29:46+00:00 2 Answers 76 views 0

Answers ( )

  1. trucchi
    0
    2021-07-29T17:30:50+00:00
    Reply

    Answer: 47.4 or -42.6/negative

    Step-by-step explanation: i tried my best

  2. Sapo1
    0
    2021-07-29T17:31:20+00:00
    Reply

    Answer:

    Olivia spent 129 minutes or 2:15 doing all the homework

    Step-by-step explanation:

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