Lesson 5.2.1 Day 2 5-50 to 5-55

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5-51) a. Simplify the following expression:

y+0.03y

5-51) b. Simplify the following expression:

z-0.2z

5-51) c. Simplify the following expression:

x+0.002x

5-52) a. A tank contains 8000 liters of water. Each day, half of the water in the tank is removed. How much water will be in the tank at the end of the 4th day?

• 500 liters

• 1000 liters

• 4000 liters

• 16000 liters

5-52) b. A tank contains 8000 liters of water. Each day, half of the water in the tank is removed. How much water will be in the tank at the end of the 8th day?

• 125 liters

• 62.5 liters

• 7996 liters

• 31.25 liters