Yxcas's answer to Jessica's Primary 6 Maths Ratio Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Yxcas
Yxcas's answer
184 answers (A Helpful Person)
1st
Let the length of 1 small cube be 1u.

Base area of box = 9u x 6u = 486cm ²
54u ² = 486cm ²
1u ² = 9cm ²
1u = 3cm

Volume of box
= 9u x 6u x 9u
= 27 x 18 x 27
= 13122cm^3