An airplane collects a total of $5390 for tickets from the 80 passengers on an airflight. Each child passenget pays $25 for their flight ticket. There are 20 children on the flight. Each adult passenger either buys a standard ticket for $90 or a thrifty ticket for $60, for the flight.
How many ahult passengets have a thrifty ticket?


LinkBack URL
About LinkBacks


