Question

7. The maximum temperature of a city on a particular
day was 18°C while the minimum temperature
recorded on the same day was – 3°C. What is the fall
in temperature?
8. Sum of two integers is -30. If one of them is 15,
find the other integer.
9. A submarine was 3500 m below sea level. If it
ascends 1200 m, what is its new position?
10. Rehana had 2000 in her account in March 2007.
She deposited * 700 in the month of April 2007
and withdrew 1000 in the month of May 2007.
Find her balance.​

Answer 1

Answer:

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Answer 2

Answer:

7. 21 degrees celsius

8. -45

9. 2300

10. 1700

Step-by-step explanation:

7. 18 - (-3) = 21

8. (-30) - 15 = (-45)

9. 3500 - 1200 = 2300

10. 2000 + 700 = 2700 - 1000 = 1700