Antonio's weight is 50 kilograms.

His sister weighs 12 kilograms less than him so she weighs 50 kilograms - 12 kilograms = <<50-12=38>>38 kilograms

The weight of the two siblings combined is 50 kilograms + 38 kilograms = <<50+38=88>>88 kilograms.

# Answer

88
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<|im_start|>user
Antonio is a boy who eats a lot and his weight is 50 kilograms. Antonio's sister, who is an athlete, weighs 12 kilograms less than him. How much do the two siblings weigh together?
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user
88
Antonio is a boy who eats a lot and his weight is 50 kilograms. Antonio's sister, who is an athlete, weighs 12 kilograms less than him. How much do the two siblings weigh together?
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