18.17 Mathematical Methods and Models in Economics

\ (\ Underline {\ Mathrm {y} _ {\ text {Sliding:}}} \) Let the balance sheet for the Trekhotrassle model of the economy have the form: \ beagin {Tabular} {| C | C | C |} \ HLINE \ multirow {2} {*} {\ (\ bein {arry} {c} \ text {number} \\ \ text {producing \\ \ text {industry} \ ent {array \)} & \ ( \ bein {Array} {C} \ Text {gross release} \\ \ Text {Products in} \\ \ Text {industry} {Array} \) & \ MULTICOLUMN {2} {|} {consumed in industry in industry } \\ \ CLINE {3 - 5} & 300 & 1 & 2 & 2 & 3 \\ \ HLINE 1 & 200 & 40 & 30 & \ (A \) \\ \ HLINE 2 & 250 & \ (b \) & 50 & 60 \\ \ HLINE 3 & 20 & \ (C \) & 100 OL \\ 100 OLS \ HLINE \ END {TA