问答题Carrie, Lisa, and Betty all make purchases at a music store that sells all records for a certain price and all CDs for a certain price. How much does Carrie pay for 1 record and 2 CDs?　　(1) Lisa bought 3 records for $22.50.　　(2) Betty bought 2 records

Carrie, Lisa, and Betty all make purchases at a music store that sells all records for a certain price and all CDs for a certain price. How much does Carrie pay for 1 record and 2 CDs?　　(1) Lisa bought 3 records for $22.50.　　(2) Betty bought 2 records and 4 CDs for $55.00.