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Gwar [14]
2 years ago
8

Robert takes a roast out of the oven when the internal temperature of the roast is 165°F. After 15 minutes, the temperature of t

he roast drops to 135°F.
The temperature of the room is 70°F.

How long does it take for the temperature of the roast to drop to 110°F?
Mathematics
1 answer:
faust18 [17]2 years ago
6 0

Step-by-step explanation:

Rate of drop of temperature = Change in temperature/Rate

=> (165 - 135)/15

=> 30/15

=> 2 ⁰F/min

Now, The time at which the temperature of will be 70⁰F = 70/Rate

=> 70/2

=> 35 min

Time for 110⁰ F

=> 110/2

=> 55 min

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El nieto de 14 años de edad recibirá la mayor cantidad.

Step-by-step explanation:

En este problema, debemos tener en mente que la cantidad aportada es directamente proporcional a la edad de quien recibe, esta cantidad es igual al producto de la cantidad total y la razón de la edad de quien recibe y la suma de todas las edades.

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Simplifying

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Add '-3c' to each side of the equation.

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