A bowl was filled with 10 ounces of water, and 0.0008 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 from the following options.
A) 0.004 %	B) 0.04 %	C) 0.40 %	D) 4 %	E) 40 %

Rationale: total amount of water evaporated each day during a 50 - day period = . 0008 * 50 = . 0008 * 100 / 2 = . 08 / 2 = . 04 percent of the original amount of water evaporated during this period = ( . 04 / 10 ) * 100 % = 0.4 % answer c
Answer: C