His new plan is 150*.3=$<<150*.3=45>>45 more expensive than his old plan

So his new plan is 150+45=$<<150+45=195>>195

# Answer

195
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Mark gets a new phone plan that is 30% more expensive than his old plan.  If his old plan was $150 a month how much does his new plan cost?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
195
Mark gets a new phone plan that is 30% more expensive than his old plan.  If his old plan was $150 a month how much does his new plan cost?
train