The correct answer for this question is '1510ml'
According to the Holliday-Segar formula that is 100-50-20 ( 100ml/kg for first 10kg, 50ml/kg for second 10kg, 20ml/kg for the remaining weight).
The weight of the child is given in pounds so we need to convert this into kilograms by dividing the weight in pounds by 2.2
45/2.2 = 20.5 kg
Now according to the formula multiply the first 10kg with 100 = 1000ml, the other 10kg with 50 = 500ml, the remaining weight that is 0.5 kilograms with 20 = 10ml.
1000+500+10 = 1510ml
The fluid rate is 63ml/hr.
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