Shem earns $4 x 2.5 = $<<4*2.5=10>>10 in an hour.

So, Shem earns $10 x 8 = $<<10*8=80>>80 for an 8-hour workday.

# Answer

80
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Shem makes 2.5 times more money per hour than Kem. If Kem earns $4 per hour, how much does Shem earn for an 8-hour workday?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
80
Shem makes 2.5 times more money per hour than Kem. If Kem earns $4 per hour, how much does Shem earn for an 8-hour workday?
train