Alessia = 1.5 * 10 = <<1.5*10=15>>15 pounds

Alexei = 2.5 * 8 = <<2.5*8=20>>20 pounds

15 + 20 = <<15+20=35>>35 pounds

Together they lost 35 pounds.

# Answer

35
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Aleesia lost 1.5 pounds each week for 10 weeks. Alexei lost 2.5 pounds each week for 8 weeks. How many pounds did the two friends combine to lose?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
35
Aleesia lost 1.5 pounds each week for 10 weeks. Alexei lost 2.5 pounds each week for 8 weeks. How many pounds did the two friends combine to lose?
train