Can someone plz solve this 20/160 = x/220

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

15/16 as a decimal rounded to the nearest hundredth

Nikolas calculated the volume of the prism. his work is shown below.