The ratio of girls to boys in the junior high band is 5 to 7. at the beginning of the year there were 72 students in the band. by the end of the year, the ratio of girls to boys was 3 to 4. if there are now 48 boys in the band, how many girls joined the band during the school year.

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?