A whale-watching tour boat cannot operate if the total passenger weight is more than 3 comma 150 comma 000 grams. What is the maximum number of tourists, weighing an average of 70 kilograms each, that can be allowed to take the tour?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.