Graph the equation below by marking the y-intercept RED. Then, mark 2 points to the right of the y-intercept BLUE. Then, mark 2 points to the left of the y-intercept ORANGE. Lastly, draw the line using GREEN. y=−1/2x+1

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of