Mark buys 6 $2 cans of soup, meaning he spends 6*2= <<6*2=12>>12 dollars on soup.

Mark buys 2 $5 loaves of bread, meaning he spends 2*5= <<2*5=10>>10 dollars on bread.

Mark buys 2 $3 boxes of cereal, meaning he spends 2*3= <<2*3=6>>6 dollars on cereal.

Mark buys 2 $4 gallons of milk, meaning he spends 2*4= <<2*4=8>>8 dollars on milk.

All added together, this means Mark spends 12+10+6+8= <<12+10+6+8=36>>36 dollars

Since Mark only has $10 bills, he spends 36/10= <<36/10=3.6>>3.6 tens on it, which rounds up to 4 as you cannot spend .6 of an undividable item.

# Answer

4
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Mark goes into the store to buy some groceries.  He buys 6 2$ cans of soup, 2 $5 loaves of bread, 2 3$ boxes of cereal, and 2 $4 gallons of milk.  When he gets to the register, he opens his wallet to pay and realizes he only has $10 bills in there.  How many $10 bills does he need to use to pay?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
4
Mark goes into the store to buy some groceries.  He buys 6 2$ cans of soup, 2 $5 loaves of bread, 2 3$ boxes of cereal, and 2 $4 gallons of milk.  When he gets to the register, he opens his wallet to pay and realizes he only has $10 bills in there.  How many $10 bills does he need to use to pay?
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