Answer:
grades in order from best to worst:
english
public service
math
design
compare percentages to arrive at answer
Explanation:
public service = 64%
math = 14/25 (multiply numerator and denominator by 4 to get 56%)
english = 13/20 (multiply numerator and denominator by 5 to get 65%)
design = 6/20 which is 30%