At the city museum, child admission is $5.20 and adult admission is $8.90 . on friday, 159 tickets were sold for a total sales of $1100.60 . how many adult tickets were sold that day?
Total tickets sold = 159 Total sales = $1100.60 Child admission = $5.20 Adult admission = $8.90
Assumed all 159 tickets are Child admission tickets Total sales = 159 x 5.2 = $826.80
Difference in amount = $1100.60 - $826.80 = $273.80 The difference must be contributed by the Adult Admission Tickets, which has a difference of $8.90 - $5.20 = $3.70
