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17.04.2021 •
Mathematics
Twelve times a number r plus one-quarter of a number s equals thirteen. Four times the number plus one-twelfth of the number s equals nine. What are the two Numbers
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Ответ:
(3+x+0+1+y+6+7+5)÷9 must give a whole number
(22+x+y)÷9
also3+0+y+7=x+1+6+5
x=6 y=8