Question

A certain freezing process requires that room temperature be lowered from 40 degree Celsius at the rate of 5 degree Celsius every hour. What will be the room temperature 10 hours after the process begins? ​

Answer 1

Answer:

-10 degrees

Step-by-step explanation:

since it's five an hour

it'll be fifty in ten hours

so then you minus fifty from forty you get -10

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Answer 2

initial temperature of room = 40°C

temperature lowered per hour 5°C

temperature lowered after 10 hours (-5)×10°C = 50°C

°•° temperature of room after 10 hours = 40°C - 50°C

= -10°C