Xmaryanne
10.12.2020 •
Mathematics
Una persona pensó hacer una obra en 15 días; pero tardó 10
días más por trabajar 2 horas menos al día ¿Cuántas horas
trabajó al día?
Solved
Show answers
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Ответ:
Trabajó 3 horas al día
Step-by-step explanation:
Proporcionalidad
Una persona planeó terminar la obra en 15 dias, pero tardó 10 dias adicionales porque trabajó 2 horas menos por día.
Usaremos proporciones para calcular las horas de trabajo diarias.
Si 2 horas diarias representan 10 dias de atraso, entonces cada hora representa 5 dias de trabajo.
Si la obra tardaba 15 dias, entonces la persona trabajó 15/5 = 3 horas diarias.
Ответ:
121, i think, hope this helps :)
Step-by-step explanation: