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UkoKoshka [18]
4 years ago
7

El productor del números es 28. Sabiendo que el primer número es 3 unidades menor que el segundo, calcula los dos número

Mathematics
1 answer:
Rasek [7]4 years ago
8 0

Answer:

Tienes 3 números, "x", "y", "z"

=> El primero es 20 unidades menor que el segundo:

El primero es "x", y el segundo es "y", entonces:

x = y - 20

=> El tercero es igual a la suma de los dos primeros:

El tercero es "z", entonces:

z = x + y

z = (y - 20) + y

z =  2y - 20

=> Entre los tres suman 120

x + y + z = 120

y - 20 + y + 2y - 20 = 120

4y - 40 = 120

4y = 160

y = 40

Si y = 40, entonces:

x = y - 20

x = 20

Además, z = 2y - 20

z= 60

RPTA:

x=20

y=40

z=60

Step-by-step explanation:

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Finnegan needs average of 70 on four tests in science to make the honour roll. What is the lowest score he can receive on the fo
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<span><span>1.       </span>Finnegan needs to get the average of 70 in 4 tests in science to be able to make it to honour roll.
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