HELP IF YOU KNOW THIS PLEASE( BRAINLIST) thank you

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3