A patients IV bag contains 750mL. Four hours later, the IV bag contains 450mL.

a) Determine the rate at which the bag is draining.
b) Use your answer from (a) to predict how many mL of IV fluid are left in the bag after 6 hours.

Answers:
a) 75ml/hr
b) 0ml left

Explanation:
a) 750ml - 450ml = 300ml (This is how much we know the bag drained within 4hrs)

300ml/4=75ml

so now we know the rate of drain is 75ml/hr

b) since rate is 75ml/hr:
75*6=450
450-450=0

Hence there will be no fluid left for the patient.

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A patients IV bag contains 750mL. Four hours later, the IV bag contains 450mL. a) Determine the rate at which the bag is draining. b) Use your answer from (a) to predict how many mL of IV fluid are left in the bag after 6 hours.

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A patients IV bag contains 750mL. Four hours later, the IV bag contains 450mL.

a) Determine the rate at which the bag is draining.
b) Use your answer from (a) to predict how many mL of IV fluid are left in the bag after 6 hours.