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Sauron [17]
2 years ago
8

En una fabrica de zapatillas 15 obreros confeccionan unaa cierta cantidad de pares en 20 dias si se aumenta un 20% el numero de

obreros ¿cuantos dias tardaran en confeccionar la misma cantidad de pares?
Mathematics
1 answer:
Lady bird [3.3K]2 years ago
8 0

Answer:

sorry but i do not the answer

Step-by-step explanation:

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Two communications companies offer calling plans. With Company X, it costs 30¢ to connect and then
tensa zangetsu [6.8K]
<h3>Answer:  n+15</h3>

=======================================================

Explanation:

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CompanyX - CompanyY = (3n+30)-(2n+15) = 3n+30-2n-15 = n+15 which is the final answer.

--------------

An example:

Let's say you talk on the phone for n = 20 minutes.

Company X would charge you 3n+30 = 3*20+30 = 90 cents

Company Y would charge you 2n+15 = 2*20+15 = 55 cents

The difference of which is 90-55 = 35 cents.

If you plugged n = 20 into the n+15 expression we got, then n+15 = 20+15 = 35 matches up with the previous 35 cents.

This example helps confirm the answer. I'll let you try out other examples.

8 0
2 years ago
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