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20.

39. The temperature of a city at 2 p.m. was 15 °C. Every hour it decreases by

3°C. The temperature at 7 p.m. will be

Question

20.

39. The temperature of a city at 2 p.m. was 15 °C. Every hour it decreases by

3°C. The temperature at 7 p.m. will be

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Mathematics
10 months
2021-07-07T15:26:58+00:00
2021-07-07T15:26:58+00:00 1 Answers
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## Answers ( )

The temperature of a city at 2 p.m. was 15 °C. Every hour it decreases by

3°C. The temperature at 7 p.m. will be

The temperature of a city at 2 p.m. was 15 °C.

Therefore ,

At 7 pm its temperate will be [15- (5×3)]

i.e; 0° C

MoreInformation:–Timedifference=7–2i.e;5Every hour,temperateisdecreases by3°CTherefore,in5hritwilldecreaseby(5×3)=15°C