Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
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?

### Response:
 Bianca = <<12.5=12.5>>12.5 masaa
Celeste = 2 * 12.5 = <<2*12.5=25>>25 masaa
McClain = 25 - 8.5 = <<25-8.5=16.5>>16.5 masaa
Jumla ya masaa = 12.5 + 25 + 16.5 = <<12.5+25+16.5=54>>54 masaa
Jumla ya dakika = 54 masaa * 60 dakika/masaa = <<54*60=3240>>3240 dakika
Watu hao 3 walifanya kazi kwa jumla ya dakika 3240.