schaefinney05
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A surgical nurse works 2 1/4 hours in preoperative care, 3 1/2 hours in the operating room, and 2 3/4 hours in the recovery room. What is the total number of hours worked? Answer in decimal form and rounded to the nearest hundredth Place

Answer :

joy123333

Answer:

8.5h

Explanation:

[tex]2\frac{1}{4} +3\frac{1}{2} +2\frac{3}{4}[/tex]

[tex]=\frac{9}{4} +\frac{7}{2} +\frac{11}{4}[/tex] convert from mixed number to improper fraction

[tex]=\frac{9}{4} +\frac{14}{4} +\frac{11}{4}[/tex] convert middle term to the same denominator by multiplying top and bottom of 7/2 by 2.

[tex]=\frac{9+14+11}{4}[/tex] combine fractions because of common denominator

[tex]=\frac{34}{4}[/tex] added the numbers in the numerator

[tex]=\frac{17}{2}[/tex] final answer in fraction form

[tex]=8.5[/tex] convert to decimal form by dividing numerator by denominator

The nurse worked 8.5 hours.

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