Х+3х+2*3х=120-надо составить и решить
bkdekvrfasus
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24.05.2019 02:50
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1
4х+6х=120;
10х=120;
х=120:10;
х=12
х+3х+2*3х=120
4х+6х=120
10х=120
х=12 кг - собрала Наташа
3х=3*12=36 кг собрал Вася
2*3х=6*12=72 кг собрал Коля
ответ: Наташа собрала 12 кг, Вася - 36 кг, Коля - 72 кг яблок.