Solve using the box method

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer