The population of the world in 1987 was 5 billion and the Growth Rate per Decade was estimated at 21 percent per decade. Assuming that the world population follows an exponential growth model, find the projected world population in 1991.

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

Robin and john each a a 12 inch pizza about how many square inches of pizza did they eat? estimate how much pizza they ate