Question

the trick of finding percantage fast revealed , your schools don't want you to know this! 90% out of 80% is ? Then multiply 9 and 8 the first numbers of 90 and 80 and its 72 , so your answer is 72 (100% sure) If you fond this useful hit thanks ​

Answer 1

Answer:

lot of percent problems turn out to be easy to solve when you give them a little thought. In many cases, just remember the connection between percents and fractions and you’re halfway home:

Solve simple percent