# Three pigs painted to a wolf a fence and earned 400 rub for three nif worked at 1 Part longer than a nuf, nuf on 2 h longer than a naf how many received nuf if nif earned more naf for 60 rub?

Siaslav

52

X - Naf earned x +60 - Nif 60:3 = earned 20 rub for an hour x +20 - Nuf x + x +60+ x +20=400 of the 3rd +80=400 of the 3rd =320 x =320:3 x =106.666 - Naf 166.66 - Nif 126.66 - Nuf earned

148

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Juha Jussi

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