The model for the glass building below has a scale factor of 2 inches for every 9 yards in actual length.
The ratio of the surface areas is . If the surface area of the windows of the model is 100 square inches, the surface area of the windows of the building is square yards.
4 inches squared:81 yards squared 4,250
2 inches squared:9 yard squared 2
2,025
450

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?