At the city museum, child admission is $6.00 and adult admission is $9.10. On Monday, 142 tickets were sold for a total sales of $1034.90. How many child tickets were sold that day?

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.