Answer:
B. 2000/6400
Step-by-step explanation:
Percent increase is told by the attached formula.
Plugging it in, you get 2000/6400.
B. The number in both places is 7. It’s 700 x 10 = 7000
Answer:
Total surface area of the cylinder=
Step-by-step explanation:
Circumference of the cylinder= 


Height of the cylinder =radius/2=3 cm
Total surface area of the cylinder =
As, 
Area of the cylinder:

The total surface area of the cylinder= 
The box measures 6 by 5 by 4
Area of the top and bottom = 2* (6*5) = 60 square inches
Area of the sides = 2 * (5 * 4) = 40 square inches
Area of front and back = 2 * (6 * 4) = 48 square inches
60 + 40 + 48 = 148 square inches