Respuesta :
Answer:
3/8
Step-by-step explanation:
vecause there are 8 in total and 3 of them are blue.
hope this helps
3/8! This is because if he were to have 3 blue and 5 red and added them you’d get 8, in which that’s the denominator, your numerator will be the amount of blue marbles making the answer 3/8