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Seven years ago, Gaetano found a box of old baseball cards in the garage. Since then, he has addeda consistent number of cards to the collection each year. He had 52 cards in the collection after 3 years andnow has 108 cards.How many cards does Gaetano add each year?

Sagot :

Baseball cards

We know two things:

Gaetano had 52 cards on 3 years

Gaetano had 108 cards on 7 years

Then, from the fourth year to the seventh year he added

108 - 52 = 56 cards

In four years he added 56 cards. Then each year he added

56/4 = 14 cards

Since

14 * 3 = 42

On the first three years he added 42 cards to his collection.

Then he started with

52 - 42 = 10 cards

Answer: Gaetano started his collection with 10 cards and he adds 14 new cards to it each year

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