A pencil costs $0.5 each and a folder costs $0.9 each. An office needs two dozen pencils and 20 pieces of folders. How much does it cost to buy the office supplies? Let's think step by step and output the final answer after "####".
user
Two dozens of pencils are equal to 2 x 12 = <<2*12=24>>24 pencils.
So the total cost of pencils is $0.5 x 24 = $<<0.5*24=12>>12.
The total cost of folders is $0.9 x 20 = $<<0.9*20=18>>18.
Thus, the cost to buy the office supplies is $12 + $18 = $<<12+18=30>>30.
#### 30
A pencil costs $0.5 each and a folder costs $0.9 each. An office needs two dozen pencils and 20 pieces of folders. How much does it cost to buy the office supplies?
train