Help me pls I need it for my quiz​

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

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?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers