Asked by Justin
Byron is 3 years older than Doug. The product of their ages is 40. How old is Doug
Answers
Answered by
Anonymous
D (D+3) = 40
D^2 + 3 D - 40 = 0
(D-5) (D+8) = 0
D = 5
B = 8
D^2 + 3 D - 40 = 0
(D-5) (D+8) = 0
D = 5
B = 8
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