Question

15. In a quiz competition, one positive mark is allotted for each correct answer and one
negative mark is allotted for each wrong answer. If Tom's score in five successive
rounds were 19, -10,18,21, and -17 respectively, then what was his total at the end?
16. At midnight the temperature was 21°C. Two hours later, it was 3° colder. What was
the temperature then?
17. At mid-day the temperature was 18°C. Two hours later, it was 2° warmer. What was
the temperature then?
18. A rock climber started at + 200 m and came a distance of 50 m down the rock face.
How far above sea level was he then?
19. At midnight the temperature was -5°C. One hour later, it was 2° warmer. What was
the temperature then?
TY
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noplease give an answer in statement please if you are given in statement I mark your brain list ​

Answer 1

Answer:

15.58- 27 = 31 16.19C 17.20C