Respuesta :
3/10×10= 30/100
30/100 are baseball cards
and 39/100 are football cards
39/100+30/100=69/100 are either baseball or football cards
30/100 are baseball cards
and 39/100 are football cards
39/100+30/100=69/100 are either baseball or football cards
69 out of 100 or 69/100 is your answer
because if you turn 3/10 into a fraction with a like denominators as 39/100 you get 30/100...then you add 39 and 30 and get 69/100.
because if you turn 3/10 into a fraction with a like denominators as 39/100 you get 30/100...then you add 39 and 30 and get 69/100.