Respuesta :

Answer:

18 hours

Step-by-step explanation:

2hr/9bracelets    x hours/81 bracelets

Why did this get three stars, its literally right?    

Answer:

x = 18 hours

Step-by-step explanation:

Write and solve an equation of ratios, as follows:

 2 hr        9 bracelets

---------- = -------------------

     x          81 bracelets

Cross-multiplying, we get 9x = 162 bracelets, or x = 18 hours

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