A bookstore observes that 2 out of 9 books sold are returned, if 360 books are sold how many will be returned
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The temperature of soup after 25 minutes is
<em><u>Solution:</u></em>
The temperature of chicken soup is 192.7°F
As it cools, the temperature of the soup decreases 2.3°F per minute
Let the initial temperature be
Let "t" be the time for rate of decrease
Set up an equation
Temperature = Initial temperature - decrease in temperature
Decrease in temperature = rate of decrease x time
Therefore,
<em><u>To find the temperature of soup after 25 minutes, substitute t = 25</u></em>
Thus the temperature of soup after 25 minutes is