a glass was filled with 10 ounces of water , and 0.01 ounce of the water evaporated each day during a 20 - day period . what percent of the original amount of water evaporated during this period ?
"in 20 days 20 * 0.01 = 0.2 ounces of water evaporated , which is 0.2 / 10 ∗ 100 = 2 of the original amount of water . answer : d ."
multiply(divide(multiply(0.01, 20), 10), const_100)