Earl borrowed $350 from his parents for a new Wii and games. They are not going to charge him interest, but he wants to pay them back as quickly as possible. If Earl pays his parents $15 per week, it will take him ____ weeks to pay them back and he will only pay _____ the last week. a. 24 weeks, $4 b. 23 weeks, $4 c. 24 weeks, $5 d. 23 weeks, $5