45
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
The lengths of the sides of a triangle are 6 cm, 7 cm and 9 cm.  In a similar triangle whose perimeter is 110 cm, what is the length of the longest side, in centimeters?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
45
The lengths of the sides of a triangle are 6 cm, 7 cm and 9 cm.  In a similar triangle whose perimeter is 110 cm, what is the length of the longest side, in centimeters?
train