14. Nena nas on allowance of Php2.500.00. If she spenas Php 1.800.00 for her food, what percent of her allowance does she soeng for her food? A. 72% B. 75% c. 73% D.70% 15. 50% of the students in a class of 34 students has glasses or contacts. How many students in ne class have either glasses or coniacis? A. 16 B. 19 c. 17 D. 18