Car a gets 25 miles per gallon and costs $13,000. car b is a hybrid that gets 45 miles per gallon, but costs $25,000. assume you drive 15,000 miles per year and that gas will cost $4 per gallon for the foreseeable future. how many years will it take for car b's better fuel economy to outweigh its higher initial cost?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point