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12 August, 06:11

If 3 p + 3 4 = 90

3p+34=90

, 2 r + 44=76

2r+44=76

, and 5 3 + 6 s = 1421

53+6s=1421

, what is the product of p

p

, r

r

, and s

s

?

+2
Answers (1)
  1. 12 August, 09:46
    0
    3p + 34 = 90

    3p = 90 - 34

    3p = 56

    p = 56/3

    p = 18.67 (thats rounded)

    2r + 44 = 76

    2r = 76 - 44

    2r = 32

    r = 32/2

    r = 16

    53 + 6s = 1421

    6s = 1421 - 53

    6s = 1368

    s = 1368/6

    s = 228

    " the product " means multiply

    p x r x s = 18.67 x 16 x 228 = 68,108.16
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