Lakeisha spent $4.57 on color and black-and-white copies for her project. She made 7 more black-and-white copies than color copies. How much color did she make?
Key: color- $0.44 per page
black-and-white: 7 cents per page
Let the amount of color be x
Let the amount of black and white be y
If amount per page of color is $0.44, then x color will cost 0.44x
If amount per page of white and black cost $0.07, then y white and black will cost $0.07y
Since She made 7 more black-and-white copies than color copies, this means:
y = x+7.... 1
If the total spent on black and white is $4.57 then;
