Answer :
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.