She will pay $7.30 in tax
In total she will pay $80.30
1st. 19 goes into 789 41 times. 2nd. Subtract 779 from 789 you will get 10 as the remainder. So the answer is 41R 10
You could multiply 118.56 by .16 which is 19 dollars rounded and subtract 19 from 117.56 to get your answer
-10+(-30)+(-25)+10+15 is -40 divided by 5 to get the average because you find average by dividing the sum of all the numbers by how many there are is -8