A glass was filled with 25 ounces of water, and 0.04 ounce of the water evaporated each day during a 10-day period. What percent of the original amount of water evaporated during this period?
Choose the correct choice from the following answers:  A) 0.004%  B) 0.04%  C) 0.4%  D) 1.6%  E) 20%
In 10 days 10*0.04= 
<gadget id="calculator">10*0.04</gadget>
<output>0.4</output>
0.4 ounces of water evaporated, which is 0.4/25âˆ—100=1.6 of the original amount of water.   Answer: 1.6%.
<result>D</result>
A glass was filled with 25 ounces of water, and 0.04 ounce of the water evaporated each day during a 10-day period. What percent of the original amount of water evaporated during this period?