Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 9 people took the trip. she was able to purchase coach tickets for $180 and first class tickets for $1090. she used her total budget for airfare for the trip, which was $5260. how many first class tickets did she buy? how many coach tickets did she buy?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

What is the order of magnitude for the number of liters in a large bottle of soda served at a party

Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.