Question

if there are 7 cubes and the edges of each cube is 1 1/4in what is the surface area

Answer 1

one cube = 1.25^3 = 1.25 * 1.25 * 1.25 = ?

? * 7 = ??

Answer 2

each cube has 6 faces, so 7*6(1 1/4)^2 = 531 1/4 in^2