Find the difference using the number line. a number line ranging from two to three, with increments of one-fourth units. drag and drop a number into the box to match the subtraction problem with its difference. 2.25−(−0.25)

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?