1. Joan started a new job with an annual salary of php 150,000.00 in 2007. if she receives a php 12,000.00 raise each year, how much does she earned in her first 5 years?
2. vince saved Php 40.00 in january. Suppose he saved thrice the amount he had saved the previous month. how much could he have saved at the end of one year
3. in a jar, there are 100 E. coli bacteria on the first hour and it doubles the number every hour. how many bacteria will there be in 6 hours?