An alternative to saving would be investing your money for a higher rate of return. How would this work to reduce the impact of inflation on your savings? inflation on your savings?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?