Janeth bought 5 x 20 = <<5*20=100>>100 round balloons.

She bought 4 x 30 = <<4*30=120>>120 long balloons.

So, she has a total of 100 + 120 = <<100+120=220>>220 balloons.

Since 5 round balloons burst, then there are only 220 - 5 = <<220-5=215>>215 balloons left.

# Answer

215
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Janeth bought 5 bags of round balloons with 20 balloons in each bag. She also bought 4 bags of long balloons with 30 balloons in each bag. While blowing up the balloons, 5 round balloons burst. How many balloons are left?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
215
Janeth bought 5 bags of round balloons with 20 balloons in each bag. She also bought 4 bags of long balloons with 30 balloons in each bag. While blowing up the balloons, 5 round balloons burst. How many balloons are left?
train