Should it be ‘affects more than 500 000 australians’ or ‘effects more than 500 000 australians’ ?

I would say affects, because effects is used in a different form like ' the effects of x on 500000 Australians' and affects is used like ' x affects 500000 Australians'

the examples that saki used to represent satire through situational irony are options two (2) and five (5) inasmuch as the wolf thought that looking for a girl in the bushes could be as easy as hunting little pigs at the park, but it took him so much time to find the girl if it had not been not for a silly mistake. also, bertha would have survived to the wolf's hunt if she had not won those medals for goodness, which at the end they were what got her killed by making noise, so winning medals of goodness was not so good achievement, after all.

at hatfield elementary school, there are 504 students in 7 classes. each class has the same number of students. what is a good estimate of the number of students in each class?