At the last Olympics, the top 8 countries won a total of 40 gold medals. Of the 40, a certain country got 8. What percent of the gold medals for the top countries did this country receive?

Which one ? is the answer and how to find this answer

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.