Following the rule described above new method of the problem s solution is necessary to combine with the new software of its realization. But Olga s computer had Mathcad too. I had been working at the book for that moment. Reader holds it now in his hands. In Mathcad the report of control weighing you can look at the picture 3.11.
Commentaries make clear what takes place in formulas.
Remembered epigraph and the title of the etude I had to go to excess of the versions. There is the element with maximum value on their crossing. She disappointed me unwittingly for 5 litres of paint and for 139 thousand roubles. We have observed it in point 2 at the picture 3.9. So Mathcad has spared me almost 150 thousand roubles.