What is 5 1/3 - 2 1/4 reduced to lowest term

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?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain