Math Challenge

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The sum of three numbers is 130. The sum of the first two numbers is 70, and the first number is equal to one-third of the third. Find the numbers.

20; 50; 60
30; 50; 40
40; 50; 60
20; 40; 60

Fact Lab

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Interesting fact:

Cats enjoy legal protection in Rome. Any place in the city where there are five or more cats is considered a natural urban habitat, and the feline citizens must not be taken or chased away. Today, there are an estimated 300,000 cats in the Eternal City.