Exam 4: Ratio and Proportion

Solve for x in the following. 4/2.6 = 5/x x = _____

Solve for x. 42: 7 = 48: x x = ______

Solve for x. 2.2:1 = x:145 x = _____

Express the following dosage as a ratio. A capsule contains 450 mg of medication: _____

Solve for x in the following. 11:121 = 3:x x = _____

If one glass of milk contains 300 milligrams (mg)of calcium,how many mg of calcium are in 3 1/2 glasses of milk? ______

If 1 ounce (oz)is equal to 30 mL,how many mL are there in 4 3/4 oz? (State answer as a decimal number. )______

Solve for x. 1/0.05 = x/0.1 x = _____

A low-fat cheese has 40 calories (cal)per oz.A client eats 2 1/2 oz of the low-fat cheese.How many cal has the client eaten? _____

Solve for x. x = _____

If 5oz of a solution contains 4 1/2 oz of water,how many oz of water are in 20 oz of solution? _______

Express the following dosage as a ratio. An injectable solution contains 500 mg in each 0.7 mL: _____

The nurse is instructed to administer 500 mL of a solution every 8 hours (hrs).How many hrs will be needed to administer 1,500 mL of solution?

Solve for x. 16 = x 40 55 x = _____

Solve for x.Round to the nearest tenth. 1:3.6 = x:170 x = _____

Solve for x. 2: 9 = x: 27 x = _____

Solve for x in the following. 0.5/0.125 = x/4 x = _____

If 100 grams (g)of ice cream contains 20 g of fat,how many g of fat are there in 300 g of ice-cream? ______

Solve for x in the following. 500:3 = 350:x x = _____

A nurse counts a client's pulse,which is regular for 15 seconds (sec)and gets 19 beats.If the nurse counts the pulse for 60 sec,how many beats should there be? _____