Ashley Chu's answer to Alicia's Secondary 2 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Ashley Chu
Ashley Chu's answer
15 answers (A Helpful Person)
As 9 is not divisible, x2 to get 18 (even no.) 18/3 = how much one person shld get=6u. A only got 4u, 6u-4u=2u.
She should receive 2u more=$20
Thus 1u=$10
18u=$180