Gerry has 50 sports trading cards. Of those cards one fifth of them are baseball cards, one teenth of them are football cards, and the rest are basketball cards. How many more basketball cards than baseball cards does gerry have?

Gerry has 25 more basketball cards than baseball cards.

Step-by-step explanation:

The total number of sports trading cards that Gerry has is 50.

Of those cards one fifth of them are baseball cards. It means that the number of baseball cards that he has is

1/5 × 50 = 10

one tenth of them are football cards. It means that the number of football cards that he has is

1/10 × 50 = 5

The rest are basketball cards. It means that the number of basketball cards that he has is

50 - (10 + 5) = 35 basketball cards

The difference between the number of basketball and baseball cards that he has is

35 - 10 = 25