On Saturday, she sold 2*30=<<2*30=60>>60 boxes.

On Sunday, she sold 60-15=<<60-15=45>>45 boxes.

She sold a total of 30+60+45=<<30+60+45=135>>135.

# Answer

135
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
On Friday, Markeesha sold 30 boxes of crackers for her scout troop's fundraiser. On Saturday, she sold twice as many as on Friday. On Sunday, she sold 15 fewer than Saturday. How many boxes did she sell over the three days?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
135
On Friday, Markeesha sold 30 boxes of crackers for her scout troop's fundraiser. On Saturday, she sold twice as many as on Friday. On Sunday, she sold 15 fewer than Saturday. How many boxes did she sell over the three days?
train