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The outside temperature at a place is - 20 degree Celsius and it drops 5 degrees every hour.How long it will take to reach the temperature zero degree Celsius?

The outside temperature at a place is - 20 degree Celsius and it drops 5 degrees every hour.How long it will take to reach the temperature zero degree Celsius?
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1 vote
The outside temperature at a place is - 20 degree Celsius and it drops 5 degrees every hour.How long it will take to reach the temperature zero degree Celsius?

User Nruth
by
7.7k points

1 Answer

2 votes

Answer:

4 hours

Explanation:

20-5x=0

5x= 20

x=4 hours

User Musmahn
by
8.5k points
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