Question

Every hour the temperature of the liquid is reduced to 60%. At first it was 90°C. After t hours it was...
With the decision, please!

Answer 1

It was 90°*t*60/100..

Answer 2

Initial temperature =90°C

Reduceing rate =60% per hour

So after 1 hr the temperature =60% of 90

=90x60/100=54°C

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