Jacob bought a book that cost $11.95 and magazines that cost $4.95 each. Isabella bought a book that cost $15.79 and magazines that cost $3.99 each. Jacob spent the same amount or less money than Isabella. Write an inequality to represent this real world problem.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?