1. A candle burns at a constant rate once it is lit. The height of the candle is 250 millimeters 5 minutes after it was lit. After the candle burned for 25 minutes the
height was 230 millimeters.
What is the change in the height of the candle per minute?
A
B.
The height of the candle decreases 1 millimeter per minute.
The height of the candle decreases 4 millimeters per minute.
The height of the candle decreases 10 millimeters per minute.
The height of the candle decreases 20 millimeters per minute.
C.
D.