Ikki Chinushi's answer to Joelle's Secondary 1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Ikki Chinushi
Ikki Chinushi's answer
2 answers (Tutor Details)
1st
(a) 1 : 1.67 : 0.89
(b) 3.59

All the best!!