+409 A telemarketer calls people and tries to sell them a subscription to a daily newspaper. On 18% of her calls, there is no answer or the line is busy. She sells subscriptions to 8% of the remaining calls. For what proportion of calls does she make a sale?
+37146 https://web2.0calc.com/questions/on-18-of-her-calls-there-is-no-answer-or-the-line#r1
