Answer:
#1 Asked: The books that were left after the distribution.
#2 Given: 45 english books
2/9 given to the girls
2/3 given to the boys
#3 Clues: 2/9+2/3 of it was distributed (check niyo lang po, not sure ako dito)
#4 Operations: Subtraction and addition
#5 Mathematical sentence:45(2/9)+45(2/3)=N
#6 Mathematical sentence for the whole problem: 45-10-30=N
#7-8: 45-10-30=5
