A market trader has 27 watches at the start of the day and after selling some he reduces the price by $5. He sells them all for $475. What was the original price?
Nitin has math 4 times a week. If he has math 8:00 Monday, 9:20 on Tuesday, 10:40 on Wednesday, and 1:20 on Friday, when does Nitin have math on Thursday?