maurice puts 130 trading cards in protector sheets. He fills 7 sheets and puts the remaining 4 cards in an eighth sheet. Each of the filled sheets has the same number of cards. How many cards are in each filled sheet?
130-4=126
126:7= 18
subtract four from 130, then divide by 7.
18
18 130-4 then dived 126 by 7
130 - 4 = 126
126 : 7 = 18