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Mathematics 14 Online
OpenStudy (anonymous):

If a sprinkler waters 1 over 18 of a lawn in 1 over 3 of an hour, how much time will it take to water the entire lawn? a,6 hours b,9 hours c,18 hours d,21 hours

OpenStudy (anonymous):

you know that it takes 1/3 of an hour to water 1/18 of the lawn, so how many 1/18 of the lawn are there? 18. So multiply 1/3 of an hour by 18 to get 18/3 hours or 6 hours

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