How do you write 5/4 as a mixed number?

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

For the equations below which statement is true ? -2x=14 6x=-42

Can someone me find the original price? the discount is 5% and the sale price is $68.40