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sesenic [268]
3 years ago
9

A crew will arrive in one week and begin filming a city for a movie. The mayor is desperate to clean the city streets before fil

ming begins. Two teams are​ available, one that requires 700 hours and one that requires 400 hours. If the teams work​ together, how long will it take to clean all of the​ streets? Is this enough time before the cameras begin​ rolling?
Mathematics
1 answer:
Tatiana [17]3 years ago
8 0

Answer:

I think you would add the numbers then divide by 2

Step-by-step explanation:

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Se escribe una equacion y se resolve.

Vamos a usar x para representar el peso de la piedra.

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La balanza esta equilibrada por eso los pesos en los platillos son iguales.

x + 1/9 + 2/3 = 1/2 + 1/3

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