Question

Ryan has a collection of220 baseball cards.helets his bro have 1/4 of his collection & sells 20% of the coll to the baseball card shop. he takes 15 cards to school to give his fireds how many baseball cards remain in ryan coll?
1/4=55 to school=15 70-220=150 205 of 150=30 shop 150-30=120 left???

Answer 1

So he gives 1/4 to his brother 220/4=55 then then he sells the 20% which is 220*.20=44 and then 15 he takes to his friends so if you add those you get        55+44=99+15=114 then subtract this number from the total 220-114=106