First, find the price of the sandwiches $5 per sandwich * 18 sandwiches = $<<5*18=90>>90.

Now add in the delivery fee $90 + $20 = $<<90+20=110>>110.

Now the tip $110 * 0.10 = $<<110*0.10=11>>11.

Add the tip to the price of the sandwiches $110 + $11 = $<<110+11=121>>121 in total.

# Answer

121
<|im_start|>system
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<|im_start|>user
Preston has a sandwich shop. He charges $5 for each sandwich. He also charges $20 for a delivery fee. Abra Company orders 18 sandwiches from Preston and also tips him 10%. How much total, in dollars, did Preston receive?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
121
Preston has a sandwich shop. He charges $5 for each sandwich. He also charges $20 for a delivery fee. Abra Company orders 18 sandwiches from Preston and also tips him 10%. How much total, in dollars, did Preston receive?
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