Answer:
d
Step-by-step explanation:
50 x 50 x 50 =125000, 3 sides = cubic feet
You multiply 50 three times and then you will get the volume.
2.5
56(t+1/2)=70 t
56T + 28= 70T
28=70T-56T
28=14
2=T
s=T+ 1/2
S=2+ 1/2
S=2.5 hours