ramirezdolores
12.03.2021 •
Mathematics
On a cool spring day in Guelph, the outside temperature is 0^•C. M Ryan puts his cup of tea on the top of his car then goes inside. Oops, he forgets his tea. The temperature of the tea is initially 80^•C. If the half life of the teas temperature is 12 minutes, what will be the temperature of the tea after half an hour? Worth 5 marks
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Ответ:
25 ÷ 20 = 1.25
1.25 hw assignment per minute
36 ÷ 30 = 1.2
1.2 hw assignments per minute