When lemonade is made with a 12-ounce can of concentrate, the directions call for 36 ounces of water to be added. once the lemonade is mixed, how many cups of lemonade could be served?

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.