Mercedes = 2 * 7.5 = <<2*7.5=15>>15 km

Davonte = 15 + 2 = <<15+2=17>>17 km

15 + 17 = <<15+17=32>>32 km

Mercedes and Davonte ran 32 km in total.

# Answer

32
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Jonathan ran 7.5 kilometers. Mercedes ran twice that distance and Davonte ran 2 kilometers farther than Mercedes. How many kilometers did Mercedes and Davonte run in total?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
32
Jonathan ran 7.5 kilometers. Mercedes ran twice that distance and Davonte ran 2 kilometers farther than Mercedes. How many kilometers did Mercedes and Davonte run in total?
train