contestada

Concert tickets cost $15 for general admission but only S9 with a student in Ticket sales total$4500 write an equation in standard form to model this situationHow many student tickets were sold 150 general admission tickets were sold?

Respuesta :

There are two kinds of tickets general and student

Total sale is 4500

the equation is 4500 = 15X + 9Y

where X is general and Y is student

if 150 general were sold that means

4500 = 15•150 + 9Y

so then Y = (4500- 2250)/9 = 2250/9 = 250

Remarks

writing in standard form

4500 - 15X - 9Y = 0

Another name for standard form is a scientific notation, that means express the numbers in powers of 10.