1.The regular price of an earphones is Php 300. It is on sale for Php 150.00. What is the percent of change from the regular price to the sale price of the earphones?
2.2 years ago, the fare in a jeepney ride is Php 8.00. Now, the fare is Php 10.00. What is the percent of change?
3.Mrs. Santos had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?
