What is the greatest possible length of a side of a triangle whose perimeter is 1000 and all of whose sides have integral lengths?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax