An 850 mL bag is to be infused at 125 mL/hr. How long will it take to complete?

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Multiple Choice

An 850 mL bag is to be infused at 125 mL/hr. How long will it take to complete?

Explanation:
The key idea is that time equals volume divided by the infusion rate. If you infuse 850 mL at 125 mL per hour, the time needed is 850 ÷ 125 = 6.8 hours. In hours and minutes, 0.8 hours is 0.8 × 60 = 48 minutes, so about 6 hours and 48 minutes. The other numbers would correspond to delivering different total volumes (for example, 625 mL in 5 hours, 937.5 mL in 7.5 hours, 1000 mL in 8 hours), but only 6.8 hours yields exactly 850 mL.

The key idea is that time equals volume divided by the infusion rate. If you infuse 850 mL at 125 mL per hour, the time needed is 850 ÷ 125 = 6.8 hours. In hours and minutes, 0.8 hours is 0.8 × 60 = 48 minutes, so about 6 hours and 48 minutes. The other numbers would correspond to delivering different total volumes (for example, 625 mL in 5 hours, 937.5 mL in 7.5 hours, 1000 mL in 8 hours), but only 6.8 hours yields exactly 850 mL.

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