Eight less than double a number is ten. What is the number?

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

Which graph represents the equation y =4x

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?