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I never saw the answer, yay :)
Well, do you know how to figure out how much 1/5 of an hour is in minutes?
Well let's do it this way: 1/5 of an hour = 1/5 times 60 minutes = 60/5 minutes.
60/5 would be 13 right?
no no 12?
Yes, correct, now think of it this way: Every 12 minutes, 1/15 of the lawn is watered so... The first 12 minutes, 1/15 is watered After 24 minutes, 2/15 is watered ... After 36 minutes 3/15 is watered ... So as you can see, once we get to 15/15, the whole lawn will be watered which will be a total of 15 intervals until the whole lawn is watered. The shortcut to calculate this is to simply take 12 and multiply it by 15. So 12×15 minutes. Then divide that amount by 60 to convert back to hours.
Sorry, had to correct a typo.
so then it would be 15 right?
What kinds of calculations have you made so far? If you did what I explained, there's no way you get 15. Show me what you did to get 15.
well i didnt get 15 i got 30. i thought that would be 3 hours but 15 made more sense. this is what is did..
Make sure you read the instructions I wrote exactly first.
15 is just the number of intervals it takes to water the entire lawn.
12 x 15 = 180 180/60 = 3
Yes, that's better.
oh i said 30 before >_<
i meant 3. Would that be 3 hours then?
Yes, it would.
ok thank you i will do what i did for this on other questions. i have so many like this
Good luck with it.
Thank you for the help. :)