Many solved 25 questions of his math assignment.This was 1/8 of total questions. He does not know 1/5 of the rest. How many questions were there in all? How many did he not know?
25=1/8 of x
25/1/8=200=x
1/5(200-25)=?
☺☺☺☺
25/1/8=200=x
1/5(200-25)=?
☺☺☺☺