Explain how you can use place value patterns to describe how 50 and 5000 comare

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?