At the city museum, child admission is $5.10 and adult admission is $8.20 . on thursday, four times as many adult tickets as child tickets were sold, for a total sales of $1174.90 . how many child tickets were sold that day?

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18}, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.