Question

6. A cooling machine requires that room temperature be lowered from 50°C at the rate of 6°C every hour. What
will be the room temperature 7 hours after the process begins?
7. In a competitive examination, 5 marks are awarded for each correct answer, 2 marks are deducted for each​

Answer 1

Answer:

50-7*6=8°c

that means after seven hours the room temperature will be at 8°c