4 QUESTIONS PLZ HELP WILL GIVE BRAINLIEST (write two equations for each problem and define variables) 1) The tickets to a concert cost $12.30 for the lower level and $5.25 for the upper level. A total of 12,400 tickets were sold for a total amount of $102,465. How many lower level tickets were sold?
2) Alex is on the job hunt. He has narrowed it down to two options. He can sell cars for $400 a week and would earn 25% commission per sale. Or, he could sell boats for $450 a week and earn 15% commission per sale.
3) A rectangle’s length is six less than three times its width. The perimeter of the rectangle is one hundred twelve feet. What is the area of the rectangle?
4)An office is printing 1200 copies of a document using two printers. During the process, printer B prints twice as many copies as printer A.