mary's answer to mary's Secondary 3 E Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
mary
Mary's answer
4 answers (A Helpful Person)
1st
Hi, I have redone my workings. Please refer to the picture and advise where I have gone wrong in my workings. Thank you.
AC Lim
AC Lim
1 year ago
This is correct answer. 1/625 your working and answer is correct.
mary
Mary
1 year ago
Ok, thank you