Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

primary 5 | Maths | Whole Numbers
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
riz
Riz

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

How to do :(((

Date Posted: 4 years ago
Views: 345

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Ruth Sin
Ruth Sin's answer
44 answers (A Helpful Person)
1st
Use the extra amount to find 1 unit of wrong amount.

(Supposed to divide the cost by 4 but it got divided by 3 instead. But 4 girls paid! So the extra $2.40 that each of the 4 girls paid makes up the extra "4th unit".)