Agroup of students went out for lunch. the total of the food and drinks was $75.80.the sales tax was 6.25%.what was the total bill ,without tip? round to the nearest

Hi..if you round up the answer will be $80.80.

6.25% sales tax is equivalent to 474.75
in multiplication you have to move the decimal point 4 spaces from the left. if you move the decimal point here...you'll have to move it 2 additional spaces from the left. you end up with 4.75 rounding up. round up again to 5 bucks. add the 5 bucks to 75.80 you get 80.80

Sales tax 75.80×0.0625=4.74
Total bill 75.80+4.74==80.54