% means out of 100 so If its 6% that = .06 then just multiply
Find the check digit d for my box of candy with 0-79200 92839-d.
1 answer:
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4(q+3) + 3q = -30
4q +12 + 3q = -30
7q+12= -30
7q = -12-30
7q = -42
q = -6
p = -3
4q +12 + 3q = -30
7q+12= -30
7q = -12-30
7q = -42
q = -6
p = -3