A bowl was filled with 10 ounces of water, and 0.007 ounce of the water evaporated each day during a 50-day period. What percent of the original amount of water evaporated during this period? Choose the correct choice
A) 0.004%
B) 0.04%
C) 0.40%
D) 4%
E) 3.5%
Total amount of water evaporated each day during a 50-day period = .007 * 50   =.007 * 100/2   = .7/2= 
<gadget id="calculator">.7/2</gadget>
<output>0.35</output>
.35   percent of the original amount of water evaporated during this period= (.35/10) * 100= 
<gadget id="calculator">(.35/10) * 100</gadget>
<output>3.5</output>
3.5 %   Answer 3.5%
<result>E</result>
A bowl was filled with 10 ounces of water, and 0.007 ounce of the water evaporated each day during a 50-day period. What percent of the original amount of water evaporated during this period?