Calculate the marked price(original price)if after 20% discount, the price of an article. With An complete calculation!

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Ill mark the brainliest if you me with the these three questions 7,8,9