the cost of an article is decreased by 50 % . if the original cost is $ 200 , find the decrease cost .
original cost = $ 200 decrease in it = 50 % of $ 200 = 50 / 100 ã — 200 = 10000 / 100 = $ 100 therefore , decrease cost = $ 200 - $ 100 = $ 100 answer : d
divide(multiply(200, 50), const_100)