Respuesta :

5/10 + 4/10 = 9/10 2/10+ 7/10= 9/10 3/10+ 6/10= 9/10 2/5+ 1/2= 9/10
drojas
We can also agree that 70/100 + 20/100 = 90/100 so there are an infinite number of possibilities to answer the question unless you give us the answer choices you are given.