Question

Temperature of a place at 7: 00 am was 6°C. Temperature increased by 4°C in first hour and decreased by

1°C in the second hour. What was the temperature at 9:00 am?​

Answer 1

Step-by-step explanation:

At 7:00am = 6degree

Temperature increased by 4 degree in the fir hour

that means at 8:00am the temperature was 6+4=10 degrees

Temperature decreases by 1 degree in the second hour

that means at 9:00am the temperature was 10-1 = 9 degree

Therefore, at 9 am the temperature was 9 degree

Answer 2

Answer:

6°C

Step-by-step explanation:

in first hour increase=4°

2 nd hour =-1°

in 2 hours change in temperature=4+-1=3

7+2=9

so temperature at 9 = 6+3=9°C

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