Math

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???

1. 👍
2. 👎
3. 👁
1. It would help if you proofread your questions before you posted them.

220 - 220/4 = 220 - 55 = 165

Assuming that you mean 20% of the remaining cards,

165 - .2(165) = 165 - 33 = 132

132 - 15 = 117

1. 👍
2. 👎
2. The answer is 106 :

220÷4 = 55,
220-55=165
220×.20=44.00
165-44=121
121-15=106

1. 👍
2. 👎
3. Ryan has a collection of 216 baseball cards. He lets his brother have 1/3 of his collection and takes 27 cards to school to give his friends. How many baseball cards remain in Ryan's collection?

1. 👍
2. 👎

Similar Questions

1. Chemistry

In aqueous solution, hypobromite ion, BrO-, reacts to produce bromate ion, BrO3 -, and bromide ion, Br-, according to the following chemical equation. 3BrO-(ag) → BrO3 -(ag)+2Br-(ag) A plot of 1/[BrO-] vs. time is linear and the

2. statistics

solve this math statistic problem: an insurance company insures a person's antique coin collection worth \$20,000 for an annual premium of \$300. If the company figures that the probability of the collection being stolen is 0.002,

3. MATH

Please help me solve this problem. My grandfather has a big collection of silver dollars and 50 cents pieces. He promised to give one fourth of his collection to the first of his grandchildren, who can figure out the total value

4. math

A coin collection is purchased for \$1,000. Twenty years later, the owner is told that the collection is worth quite a bit of money! If the rate of return on the stamp collection is 4% per year, what is the current value of the

1. Math

Sue decides to collect postcards. She starts her collection with seven cards. Every week, she buys three more cards to add to her collection. How many weeks will it take her to have more than 30 cards? 11 7 8 30 Can somone help me

2. math

rick has a collection of 6 video games. he lets his best friend borrow 2/6 of his video game collection. write two fractions equivalent to this number. explain how you came up with the answer.

Alisha bought a collection of 500 old pennies. She chose 20 pennies from the collection and recorded their dates. Seven pennies had dates earlier than 1980. What percent of the pennies in Alisha’s collection have dates earlier

4. Math

Which accurately describes a circle with radius 12 centimeters and center Q? A.the collection of all points located 6 centimeters from point Q B.the collection of all points on the same plane located 6 centimeters from point Q

1. Math

Javier bought 48 sports cards at a yard sale. Of the cards, 3 over 8 were baseball cards. How many cards were baseball cards? How would I go about figuring out the answer? I am confused.

2. Math

c = How many baseball cards did he had before giving them to his friends. Question: Roberto decided to get rid of all of his baseball cards, so he gave his four friends 32 baseball cards each. How many baseball cards did he have

3. Math

How do I set this up and solve it? Tom has a collection of 30 CDs and Nita has a collection of 15 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 4 CDs a month to her collection. Find the number of months

4. Math

3.Josh has a huge marble collection. He counts 280 marbles that are red, and he estimates that this is about 10% of his collection. A.Write and solve a proportion to estimate the total number of marbles Josh has.