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Calculation Task 18

A child weighing 18kg presents with a red sore throat, and you are required to prescribe an anti-inflammatory spray to be applied to the back of the throat. The administration instructions are as follows:

1 spray/4kg weight (up to a maximum of 4 sprays at any one time)
To be administered onto the affected area every 1.5 - 3 hours

What is the maximum number of sprays that can be given in 24 hours?
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