Water from the Atlantic ocean is 3.5% salt, while water from the Dead Sea is 33.7%. If you want to make 13 L of 18.9% salt concentrated water

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

5

step-by-step explanation:

b). 4320 have a nice day