Multiplying and Dividing Decimals

The weight of a sand in a large bag is 63.4 pounds. The sandbag is being divided equally into 20 small bags. What is the weight in pounds of the sand in each small bag?

Amber saved a total of $3.20 over 5 weeks. She saved the same amount of money each week. How much money did Amber save each week?

What is the value of the expression:

4[4.5 - 2(1.2)]

Dan ran 3.75 kilometers each day to prepare for a race. What was the number of kilometers that Dan ran during 28 days?

Mr. Rogers has 48 nails that each weigh 1.35 ounces. What is the weight of these nails in ounces?

Freddy exercised 2.5 hours per day on 4 days last week. He burned 330 calories per hour while exercising. How many calories did Freddy burn by exercising last week?

The hundredths model in the figure is shaded to represent the multiplying of two numbers. Which equation can be represented by the shaded parts of the model.

Which equation is represented by the model?