Write a inequality for the following questions : To pass his math class, Manuel needed to earn a grade of at least 70%

You cannot spend more then 50 dollars

The occupancy of the room must be less then 437 people

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?