Mr. Perry took his family out to dinner last night and their subtotal was $88.24. The sales tax was 5% and he left a 20% tip. If Mr. Perry put $120 on the table, how much change did he receive?

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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.