You would use the counting principal. 12X3X3
Answer:
125
Step-by-step explanation:
Sum of Exterior Angles must add to 360 so



If the total bill is $85, and you want to leave a 15% tip, then you can calculate it as follows:
85 * 15%
= 85 * 15/100
= 85 * 0.15
= 12.75
The amount that should be left as a tip is D. $12.75.
You multiply 86 by 42.5 because each board is 42.5 and there are 86 boards.