Answer: She donated $9.86.
Step-by-step explanation:
She earns $11.60 per hour.
She donates [tex]\frac{1}{10}[/tex] .
She worked [tex]8\frac{1}{2}[/tex] hours.
How much did she donate?
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If she earns $11.60 per hour, how much is that in [tex]8\frac{1}{2}[/tex] hours?
First, let's convert the mixed number to an improper fraction. You can do this by multiplying the big number times the denominator and adding the numerator; all over the same denominator.
[tex]8\frac{1}{2}=\frac{8*2+1}{2}=\frac{16+1}{2}=\frac{17}{2}[/tex]
Now divide to obtain a decimal number.
[tex]17/2=8.5[/tex]
She worked 8.5 hours. Multiply this by 11.60 which is the amount she earns per hour.
8.5*11.60=$98.60
Now to calculate [tex]\frac{1}{10}[/tex] of $98.60, multiply again.
[tex]\frac{1}{10}*98.60=\frac{98.60}{10}=9.860=9.86[/tex]
