Answer:
$3.05
Step-by-step explanation:
Backpack=$18.70
6 note books=x
Sales tax=6%
Total cost=$39.22
18.70+x+0.06(18.70+x)=39.22
18.70+x+1.122+0.06x=39.22
19.822+1.06x=39.22
1.06x=39.22-19.822
1.06x=19.398
x=19.398/1.06
=18.3
x=$18.3
6 books=$18.3
Each book cost=18.3/6
=$3.05
I believe Groceries is since groceries can be changed and prices can be altered more easily than the other three options. Can't explain that well, hope I helped!
Answer:
60 degrees
Step-by-step explanation:
A triangle is 180 degrees and there is already 40 and 80 degrees.
So... 180-80-40=60 degrees.
Hope this helps :D
Answer:
12s+24
Step-by-step explanation:
Answer:
8.5
Step-by-step explanation:
When you go from negative to negative by going backwards you add positive.
