Mathematics, 30.03.2021 16:40 Carlyalexis641

1. En el Area de carpintería se elabora un proyecto de 12 puertas. En cada puerta, se usa 1 litro de preservante para proteger las maderas de la polilla; también usa 1 litro de barniz para el acabado. El litro de barniz le cuesta S/.32,80, y el litro de preservantes, S/.16,70. ¿Cuánto dinero invierte en estos materiales para las 12 puertas?

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1. En el Area de carpintería se elabora un proyecto de 12 puertas. En cada puerta, se usa 1 litro de...

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