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25 September, 11:19

What score does jane need to receive an 85% average if she has an 32,90,92,82,64

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  1. 25 September, 11:34
    0
    (32 + 90 + 92 + 82 + 64 + x) / 6 = 85

    (360 + x) / 6 = 85

    360 + x = 85 * 6

    360 + x = 510

    x = 510 - 360

    x = 150 <===
  2. 25 September, 13:45
    0
    (P+32+90+92+82+64) : 6 = 85

    P + 360 = 85*6

    P + 360 = 510

    P = 510 - 360

    P = 150
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