Question

please help.......................

Answer 1

hey mate here is your answer

a)5x+3x+2x=1920
10x=1920
x=1920/10=192
by substituting x value
5x=5x192=960
3x=3×192=576
2x=2×192=384
2)surface area =960×576×384=212336640cm cube
hope it helps you
please mark as a brainliest

Answer 2

hey buddy!!!!

let it be 5x, 3x, 2x....

volume of box = 1920

5x +3x +2x= 1920

10x= 1920

x= 192

now,

5x= 5×192 = 960

3x= 3×192 = 576

2x= 2×192 = 384

total surface area = 960×576×384 = 212,336,640


hope this helps you

@saininanowalia