Margie owns a small recycling company where she picks up empty glass bottles from restaurants. At the first restaurant, she picks up 50 bottles. At each restaurant after this, she picks up 4 more bottles than she picked up at the restaurant before. Assume that this pattern continues. a) How many bottles does she pick up at the 20th restaurant?

b) How many total bottles has she picked up after visiting 20 restaurants?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.