En una plantación especializada en
productos orgánicos, un técnico agrícola
tiene dos fertil...
Mathematics, 10.12.2021 14:00 ElDudoso
En una plantación especializada en
productos orgánicos, un técnico agrícola
tiene dos fertilizantes que contienen
diferentes concentraciones de nitrógeno,
uno tiene 3% y el otro tiene 11%. ¿Cuántas
libras de cada fertilizante debe mezclar para
obtener 20 libras con una concentración de
9%?
Answers: 2
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