Answer:
0.8 or 4/5 foot long each
Step-by-step explanation:
3 1/5 as a decimal is 3.2
3.2÷4=0.8
or 4/5
Hey,the answer to ur question is
A=2wl+2lh+2hw
400=2*10*10+2*10*h+2*h*10
400=200+20h+20h
400-200=20h+20h
=>200=40h
=>200/40=h
=>5=height
Therefore option(2.)is the answer to ur question....
Hope this helps u...!!!
Answer:
+9 and -9
Step-by-step explanation: