Ann increased the quantities of all the ingredients in the recipe by 60% she used 80 grams of cheese how much cheese did the recipe require

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Use set builder notation to represent the following set: { -3, -2, -1, 0}