How much of a 30% solution do you need to add to 280 ml of water to obtain a 4% solution? Need to set up 2 equations with two variables each to find x and y
The hints given are:
x=the amount of ml's needed to be added to the 280 mls and
y= the amount of the 30% solution that is contained in the amount added to the 280 mls

Ineed a personal mineral intake one day analysis? 350-500 word essay, or just a paragraph would of made up minerals you ate .

Anurse is caring for a client who has nicotine use disorder and asks about taking varenicline. the nurse should identify that which of the following conditions is a contraindication for this medication? a. rheumatoid arthritis b. copd c. anorexia nervosa d. major depressive disorder

Anurse is assessing a client who is receiving oxytocin via continuous iv infusion for labor augmentation. the nurse notes six contractions in a 10 min period with a non-reassuring fhr. which of the following actions should the nurse take first? a. discontinue the oxytocin iv infusion. b. turn the client to her left side. c. administer terbutaline 0.25 mg subcutaneously. d. apply oxygen at 10 l/min via face mask.