A programmer writes 500 lines of computer code in 17 days. Must there have been at least 1 day when the programmer wrote 30 or more lines of code? Why? ---Select--- . If the programmer wrote less than 30 lines of code per day for 17 days, then the maximum number of lines that could be written is . Since this number is ---Select--- 500, it is ---Select--- that the programmer wrote 30 or more lines of code during at least one of the 17 days.