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gogolik [260]
3 years ago
8

A tap leaks at the rate of 2cm³ per second.How long will it take the tap to fill a container of 45litres capacity.

Mathematics
2 answers:
nlexa [21]3 years ago
6 0

Answer:

6 hours 15 minutes

Step-by-step explanation:

1 litre = 1000cm³

45 litres = 45000cm³

Volume = rate × time

45000 = 2 × t

t = 22500 secs

= 375 mins

<u>B</u><u>R</u><u>A</u><u>I</u><u>N</u><u>L</u><u>I</u><u>E</u><u>S</u><u>T</u><u> </u><u>P</u><u>L</u><u>E</u><u>A</u><u>S</u><u>E</u>

DaniilM [7]3 years ago
3 0
<h3>Answers: </h3>
  • 22500 seconds
  • 375 minutes
  • 6.25 hours
  • 6 hours, 15 minutes

All time values listed above are equivalent, so you only need to pick one value to write as the answer.

======================================================

Work Shown:

1 liter = 1000 cubic cm

45 liters = 45*1000 = 45000 cubic cm

The container has a capacity of 45000 cubic cm

It will take 45000/2 = 22500 seconds to fill the container since the rate is 2 cubic cm per second.

-----------------

Convert from seconds to minutes

22500 seconds = (22500)*(1 min/60 sec)

22500 seconds = (22500/60) min

22500 seconds = 375 min

-----------------

Convert to hours

375 min = (375)*(1 hr/60 min)

375 min = (375/60) hr

375 min = 6.25 hr

----------------

Converting to hours,minutes

6.25 hr = 6 hr + 0.25 hr

6.25 hr = 6 hr + (0.25*60) min

6.25 hr = 6 hr + 15 min

6.25 hr = 6 hr, 15 min

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