Approximately 15,772 seats have been sold in the upper level. ;
We use the information provided in the question to form and solve two algebraic equations. Result shows that there are 24,500 seats in the upper level of the stadium. ;
Approximately 24,500 seats have been sold in the upper level. By setting up a system of equations based on the total number of seats and the prices of each level, we can derive the number of seats sold in each section. The calculations show unmistakably that the upper level has 24,500 sold seats.
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•°• Hasil dari -112 + (-66) - (-78) adalah -100.[tex] \\ \\ [/tex]Penjelasan dengan langkah-langkah:-112 + (-66) - (-78)= -112 - 66 + 78= -178 + 78= -100[tex]~[/tex][tex]__________________________________________________________________________________________[/tex][tex] \\ \\ [/tex] [tex]\blue{\boxed{\colorbox{skyblue}{\rm{- AvR}}}}[/tex]
[tex] - 112 + ( - 66) - ( - 78) \\ = - 178 - ( - 78) \\ = - 100[/tex]