Nathan has a collection of 220 baseball cards. He lets his brother 1/4 of his collection and sells 20% of his collection to the baseball card shop. He takes 15 cards to school to give to his friends. How many baseball cards remain in Nathan’s collection?

Answer:The baseball cards remain in Nathan’s collection is 106 cardsExplanation:Total number of cards Nathan has= 220 Number of cards he let his brother have = 1/4 of his collection =[tex]\frac{1}{4} \times 220[/tex] = 55 cards Number of cards he sells = 20% of his collection =[tex]\frac{20}{100} \times 220[/tex]=44 cards No of cards he gives to his friends=15 cards Remaining cards = total number of cards – (no of cards he gave to his brother+ cards he sold+ cards he gave to this friends) = 220 – ( 55+44+15) =220-114 =106 cards baseball cards remain in Nathan’s collection is 106 cards