Question

Which of the following output to input ratios represents the most efficient machine that is realisticly possible?
A) ½
B) ¾
C) 1/3
D) 3/2

Answer 1

You recall how to calculate efficiency?

Answer 2

yea but I don't know how to find these

Answer 3

Each of these is a ratio of \(\frac{output}{input}\), so just use the same process we did on the other questions.

Answer 4

are these vthe outpu

Answer 5

outputs

Answer 6

They are a ratio, output/input.

Answer 7

Got you

Answer 8

Let's take "A" for example. This is saying that you have "1 unit" of output for every "2 unit" of input.

Answer 9

so I would divide those

Answer 10

Yes

Answer 11

Alright and I would continue to do that for all 4?

Answer 12

Yes, but do not forget that you are representing them as % so you multiply your decimal by 100.

Answer 13

Alright thanks again man

Answer 14

np.