Blue = 516 * (1/3) = <<516*(1/3)=172>>172 cars

Red = 516 * (1/2) = <<516*(1/2)=258>>258

Black = 516 - (172 + 258) = 86

There are 86 black cars on the lot.

# Answer

86
Question:
There are 516 cars in a parking lot. One-third are blue, one-half are red, and the rest are black. How many black cars are on the lot?
Answer:
Let's think step by step.

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86
There are 516 cars in a parking lot. One-third are blue, one-half are red, and the rest are black. How many black cars are on the lot?
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