Question

Dan does 188.0 J of work raking leaves. If the rake does 128.0 J of work, what is the efficiency of the rake?
A.68.1 percent
B.147.0 percent
C.60.0 percent
D.316.0 percent
@OrangeMaster

Answer 1

i picked A.?

Answer 2

Well it's asking how much of the work does the rake do

\[\large \frac{128J}{188J} = ?\]

So yes A would be correct

Answer 3

ok thanks