Answer:
Step-by-step explanation:
The figure is a cube
The surface area of a cube is equal to
where
b is the length side of the cube
In this problem we have
substitute
Answer:
its the 4th one
Step-by-step explanation:
This is how I would solve it, I would act as if there were 36 people in the class.
36÷6=6×5=30
30÷3=10×2=20
20/36=10/18=5/9
You could also try another number such as 24;
24×(5÷6)=20
20×(2/3)=13.3(3 repeating)
13.333/24=5/9
5/9 people have dogs.
Tell me if this helps.