Quentin buys 12 tickets for a group of adults and children for a total of $100. Adult tickets are $10 each and child tickets are $5 each. How many of each ticket did Quentin buy?

One positive number is 9 more than twice another. if their product is 95, find the numbers

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?

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25