Answer:
Hayden bought 36 baseball cards.
Explanation:
In order to calculate the amount of baseball cards, you have to calculate the
of the total of cards
The total of cards is 48
You have to multiply the total of cards by
:

To solve the multiplication of two fractions (because 48 can be written as
) you have to multiply the numerators of the two fractions and divide that result by the multiplication of the denominators of the two fractions

Solving the division:
