the cost of an article is decreased by 10 % . if the original cost is $ 60 , find the decrease cost .
"original cost = $ 60 decrease in it = 10 % of $ 60 = 10 / 100 ã — 60 = 600 / 100 = $ 6 therefore , decrease cost = $ 60 - $ 6 = $ 54 answer : e"
divide(multiply(60, 10), const_100)