What is the volume in a cubic millimeter 4 by 6 round to the hundreds

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.

the first domain and range set to the left is matched with the top relation, and the second set the set in the middle goes with the bottom relation.

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step-by-step explanation: