What is the pay rate for someone who works 3 hours and earns $21?

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What is the pay rate for someone who works 3 hours and earns $21?

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Cherry 3 years 2021-08-01T02:17:24+00:00 1 Answers 2 views 0

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    2021-08-01T02:18:48+00:00

    Answer:

    $7

    Step-by-step explanation:

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