Answer :
Multiply 5 by the 3/4 length of red ribbon.
x= blue ribbon length
x= 5 * 3/4
x= (5*3)/4
x= 15/4
x= 3 3/4 yards
x= blue ribbon length
x= 5 * 3/4
x= (5*3)/4
x= 15/4
x= 3 3/4 yards