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8 April, 09:39

Corey collected 4 pounds of newspaper on day 1. Each day after day 1, he collected 4 times the amount he had collected the previous day. On which day did he first collect over 1000

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  1. 8 April, 11:22
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    Answer: On the 5th day he collected over 1000 pound

    Step-by-step explanation:Let s be the first day

    He collected4*4^s-1

    1000 = 4*4^s-1

    Divide both sides by 4

    250=4^s-1

    4^s-1/4 = 250

    4s=1000

    s*log4 = log1000

    s=3 / (log4)

    s=4.98 approximately 5
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