Question

The surface area of a rectangular prism is 442 square feet. The length is 11 feet, and the height is 8 feet. What is the width of the prism?

5 ft
8 ft
2 ft
7 ft

Answer 1

5?

Answer 2

I know 8 is wrong

Answer 3

@paki

Answer 4

7

Answer 5

let me solve... i am alone here... and questions are 8

Answer 6

A=2(wl+hl+hw)

Just fill in the formula. But, 7 is the right answer.

Answer 7

l: 11
h: 8
w: 7

Answer 8

2(7*11+8*11+8*7)

Answer 9

7*11=77
8*11=88
8*7=56

Answer 10

77+88+56=221

221*2=442

Answer 11

yeah... 7 is the rite answer... @girl8r7y

Answer 12

Refer to the Mathematica attachment.