Answer:
156 
Step-by-step explanation:
find the areas of all the faces and add them up
area of a rectangle: 
area of a trapezoid: 

the area of the trapezoid is multiplied by 2 because there's a top and bottom
It would be 4. Multiply each side by -1/5.
It would cancel out the -1/5 leaving -15 = x.
Answer:
Need more info
Step-by-step explanation:
Answer:
The tip should be $9.00
Step-by-step explanation:
Answer:
1/15 each
Step-by-step explanation:
1/5 of chocolate is separated into 3
1/5 divided by 3 = 1/5 x 1/3 = 1/15 of the whole bar