Xavier needs 84 paper plates for a housewarming party. He already has 21 green plates and 28 red plates. How many more plates should Xavier buy? Let's think step by step and output the final answer after "####".
user
The total number of green and red plates is 28 + 21 = <<28+21=49>>49.
Xavier should buy 84 − 49 = 35 more plates.
#### 35
Xavier needs 84 paper plates for a housewarming party. He already has 21 green plates and 28 red plates. How many more plates should Xavier buy?
train