Challenge Questions
8×5=

40

42

41

WRONG

12÷3=

4

11

69

None

Solve for x: 2x+3=9

3

1.5

9

5

T(t)=25+65×(0.78)^{t}

A pot of soup is heated and then left to cool in a room with a constant temperature. The equation above gives the temperature of the soup, T(t),
in degrees Celsius (°C), t minutes after it is heated.

What is the inital temperature of the soup before it begins to cool? Put your answer in degrees celsius.