There are 40 tables in a library, with 30% of them seating 4 people. the tables remaining only seat 2 people. how many seats are there in the library?

Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park. then she walked the same distance home. how many miles did she walk in all?

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?