
Dr. Sherif N. answered 09/28/19
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the question is: Find three consecutive odd numbers whose sum is 1719.
assume first number x, second number is x+2, third number x+4, then
x + (x+2) + (x+4) = 1719
3x + 6 = 1719
3x = 1719 - 6 = 1713
x = 1713/3 = 571
x+2 = 573
x+4 = 575
the 3 consecutive odd numbers are 571, 573, 575