Diners frequently add a 15% tip when charging a meal to a credit card. what is the price of the meal without the tip if the amount charged is $24.15? how much was the tip?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?