Question

For breakfast, the cafeteria offers scrambled eggs with one slice of toast or an egg sandwich made with two slices of toast. In fifteen minutes, they sold 28 breakfasts and used 47 slices of bread. Use a model to determine how many egg sandwiches they sold. For breakfast, the cafeteria offers scrambled eggs with one slice of toast or an egg sandwich made with two slices of toast. In fifteen minutes, they sold 28 breakfasts and used 47 slices of bread. Use a model to determine how many egg sandwiches they sold. @Mathematics

Answer 1

assume they sold x egg sandwiches, and sold y scrambled eggs

then 2x + y = 47
x + y = 28

use elimination. subtract the 2nd equation from the first: 2x - x = 19

so x = 19

therefore y = 9

so 19 egg sandwiches

Answer 2

thanks