Sagot :
So, Jerome bought a total of 80 cards (8x10) out of which he gave out 30 cards (3x10) so he has 50 cards left. (80-30)
Answer:
Jerome has 50 baseball cards left.
Step-by-step explanation:
Jerome had 8*10 = 80 baseball cards total. He then gave his sister three from each of the ten packs (3*10 = 30).
Therefore, Jerome has 80 - 30 = 50 baseball cards.