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NARA [144]
3 years ago
12

As part of a screening process, computer chips must be operated in an oven at 145 °C. The starting temperature is 25 °C. After 1

5 minutes, the temperature is 85 °C. How many minutes will it take the oven to reach its specified operating temperature?
Mathematics
1 answer:
DaniilM [7]3 years ago
4 0

Answer:

30 minutes will it take to reach its specified operating temperature from 25°C.

Step-by-step explanation:

Initial Temperature of oven = 25°C

Time taken by oven to reach 85°C temperature = 15 minutes

We have to find time taken by oven to reach at temperature of 145°C

Increase in temperature in 15 minute = 85 - 25 = 60°C

So, Time take by oven to increase 60°C temperature = 15 min

Time take by oven to increase 1°C temperature = \frac{15}{60}=\frac{1}{4}\:minutes

Temperature we have to increase = 145 - 25 = 120°C

Time take by oven to increase 120°C temperature = \frac{1}{4}\times120=30\:minutes

Therefore, 30 minutes will it take to reach its specified operating temperature from 25°C.

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