17-18.Gene's Car Rental services charge a boarding rate of Php 300 and an additional PHP 60 per mile to rent a moving car.How much does it cost to ride in this car for 5 miles? For 8 miles?
19-20.A a motorist drives at a constant rate of 80 kph.If his destination is 320 kilometers away from his starting point, how many hours will it take him to reach the destination ?