Answer:
It is 2.5 hours.
Step-by-step explanation:
Step-by-step explanation:
If this answer is correct please make me as a brainlist
Step-by-step explanation:
18
I think so
.................
Thickness of 1 quarter = 1.75 mm
So, 1000 quarters will be = 
= 1750 mm
So, a stack of 1000 quarters will be 1750 mm high.
V = 4/3 x pi x r³
V = 4/3 x 3,14 x 2³ = 33,50 in³