sstrike's answer to Ur mom's Primary 6 Maths Fractions Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
sstrike
Sstrike's answer
5392 answers (A Helpful Person)
beef left
50 → ⅔

At first
beef total
3×50÷2 = 75

chicken total
180-75 = 105

chicken left
(1-⅗)×105 = ⅖ × 105 = 42 (Ans)