Explain how you can find a fraction that is equivalent to 1/4

Which choice represents the sample space ,s for this event

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?