(1-0.2)(1-0.4)(1-0.62) = (0.8)(0.6)(0.38) = 0.1824
Answer: 0.1824
Preeeeetty sure it's just 16 for that.
Are you sure you submitted the whole problem?
A lever in like a pully becasue it can pull just as so. Hope that helped. It is what my teacher taught me.