1 hour and 30 minutes because when you subtract those you will get that answer
16 is the greatest common denominator
5p-p=4p. The question doesn't make sense because ther is no sign after the minus 6. If it is an X it would be -24p. If it is an add it would be -6+4p. If it was a - it would be -6-4p.
The answer is no solution, if my math is correct.