Ashop has a sale with 20% off all items. the sale price of an item is £24.80. what was its original price

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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?

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