Find the coordinate of orthocenter (point of intersection of the altitudes) of the triangle formed by the straight lines x - y - 5 = 0, 2x - y -8 = 0 and 3x -y -9 = 0

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step-by-step explanation:

step-by-step explanation:

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.