Eric Nicholas K's answer to The gray ray's Primary 6 Maths Algebra Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
We do this question as we would for regular numbers, except that the total perimeter of the shape is given in terms of y rather than a fixed number like 80 or 320.