Bianca = <<12.5=12.5>>12.5 hours

Celeste 2 * 12.5 = <<2*12.5=25>>25 hours

McClain = 25 - 8.5 = <<25-8.5=16.5>>16.5 hours

Total + 12.5 + 25 + 16.5 = <<+12.5+25+16.5=54>>54 hours

54 hours * 60 minutes = <<54*60=3240>>3240 minutes.

Bianca, Celeste and McClain worked a total of 3240 minutes last weekend.

# Answer

3240
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Bianca worked for 12.5 hours last weekend. Celeste worked for twice that amount of time and McClain worked 8.5 hours less than Celeste. How many minutes did the 3 people work in total?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
3240
Bianca worked for 12.5 hours last weekend. Celeste worked for twice that amount of time and McClain worked 8.5 hours less than Celeste. How many minutes did the 3 people work in total?
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