Javier bought 47 sports cards. 3/8 of them were baseball cards. how many baseball were baseball cards?

The number of cards is 3/8 of 48.
In math, "of" usually means "times."

3/8 of 48 = 3/8 * 48 = 3/8 * 48/1 = (3 * 48)/(8 * 1) = 144/8 = 18

18 cards

A)26•2=52there are 2 sides with the same length116-52=64the other 2 side have to be half of 64 each64/2=32the width is 32b)make two sentences about these steps because your teacher knows how you write and explain things.