Archimedes drained the water in his tub. The amount of water left in the tub (in liters) as a function of time (in minutes) is graphed.

How long did it take each time 18 liters of water were drained?

a) 1/4 minute

b) 1/2 minute

c) 1 minute

d) 1/3 minute

  a)  1/4 minute

Step-by-step explanation:

You can find the time using a proportion. It took 5 minutes to drain the entire 360 liters, so we can write the proportion as ...

  time/volume = (5 min)/(360 L) = t/(18 L)

Multiplying by 18 L gives ...

  t = (18/360)(5 min) = (5/20) min = 1/4 min

It took 1/4 minute to drain each 18 liters.

The answer is A. 1/4

Step-by-step explanation:

I got this answer from Khan Academy.

Hope this helps! :)

the answer is b

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