PLEASE HELP ME THERE IS TWO QUESTIONS​

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking