Ahmed lost Rs 20 by selling a football for Rs 380. what was the loss and loss percent​

1. are the triangles similar and if so why? what is the value of x? show your work.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?