17
1° Find the numbers x and y that verify
x + y = 12
(x + 2y = 15
2° A farmer, w...
Mathematics, 18.03.2021 02:20, king845
17
1° Find the numbers x and y that verify
x + y = 12
(x + 2y = 15
2° A farmer, who has been asked about the
number of chicken and rabbits he sold , answers
«12 heads and 30 paws».
What is the number of chicken and of rabbits
that has been sold ?
Answers: 2
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