Question

The formula for the surface of a cube is s 6s^2 where x is the length of one side. Find the length of the side of a cube with a surface area of 150 square inches
a-5 inches
b-25 inches
c-30 inches
d-900 inches
Jack chose C as the correct answer. How did he get that answer?

Answer 1

X=side length
6x^2 = surface area = 150
x^2 = 150/6=25
x=sqrt(25)=5