Maddie wants to see how much her mom spends on coffee each week. She makes herself 2 cups of coffee per day. Each cup has 1.5 ounces of coffee beans. A bag of coffee costs $8 and contains 10.5 ounces of beans. She uses 1/2 a gallon of milk per week. A gallon of milk costs $4. She doesn't add any sugar to the coffee. How much does she spend on her coffee per week? Let's think step by step and output the final answer after "####".
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She uses 3 ounces of beans per day because 2 x 1.5 = <<2*1.5=3>>3
She uses 21 ounces of beans per week because 7 x 3 = <<7*3=21>>21
She buys 2 bags of beans per week because 21 / 10.5 = <<21/10.5=2>>2
She spends $16 on the beans per week because 2 x 8 = <<16=16>>16
She spends $2 on the milk per week because 4 x (1/2) = <<4*(1/2)=2>>2
She spends $18 per week on her coffee because 16 + 2 = <<16+2=18>>18
#### 18
Maddie wants to see how much her mom spends on coffee each week. She makes herself 2 cups of coffee per day. Each cup has 1.5 ounces of coffee beans. A bag of coffee costs $8 and contains 10.5 ounces of beans. She uses 1/2 a gallon of milk per week. A gallon of milk costs $4. She doesn't add any sugar to the coffee. How much does she spend on her coffee per week?
train