Tour takes his dog to be groomed.the free to groom the dog is $75 plus 6.75% tax.is $80 enough to pay for the service? explain

6.75% of $75 is around $5.2. Add $5.20 to $75 and that make the total cost $80.20. No, $80 isn't enough to pay the service.

The total for the dog service is 75 dollars plus tax which is 75*.0675 which is $5.0625 which can be rounded to $5.06.  The total 75 plus tax of 5.06 is $80.06 so no you do not have enough  money