Question

Question 8 5 pts The price of an item is reduced by 20% of its original price. A week later it is reduced by 10% of the reduced price. The cashier informs you that there has been a total reduction of 30%. Is the cashier using percentages correctly? If not, what is the actual percent reduction from the original price? OOOO The cashier is not using percentages correctly. The actual percent reduction from the original price is 28%. The cashier is not using percentages correctly. The actual percent reduction from the original price is 72%. The cashier is not using percentages correctly. The actual percent reduction from the original price is 15%. The cashier is using percentages correctly. Question 9 5 pts The population density in country Ais 120 people per square mile while in country B, it is 750 people per square mile. Which of the following is correct? The population density of country Ais 84% less than the population density of country B The population density of country Ais 8.4% less than the population density of country B The population density of country Ais 525% less than the population density of country B The population density of country Bis 84% more than the population density of country A

Answer 1

:7 4& 5 5 ket, miginal price of the item is zu. 4 After 20% reduction price become a px x 80 too Since, A week laten it is reduced by the reduced price . So, price becomen erse 90 182 tog 10% of Х ? 5 25 5 So, total reduction price 2180 - 2x 25 25 X-182 25 7x २ 25 Hence, total gle duction percentage 28% 2626 25 X150 1% Am 1st options the cashier is not using percentage connectly The actual percent reduction from the oniginal price is 28%

an since, population density in country A in 120 people mile while in country ,it is 7.50 people 13 square square mile. per ber Clearly, population denpity of Ac bobulaktion demnity of B. Let, population density of A is 8% leon than population density of B. So, 750 750% 74% = 120 15 = 120 => 750 - 758 H 100 2 151 750-120 152 630 = => 126 42 630x2 2 x wg 27 x=84 Anot 1st oftion A i 84% lenn The population den density of country than the population density of country B