Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
primary 5 | Maths
| Rate & Ratio
One Answer Below
Anyone can contribute an answer, even non-tutors.
Q9 pls help
Thanks
Date Posted: 6 years ago
Views: 769
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Because when he buys 40, he has $5 left. When he buys 50, he needs another $15.
So 10 doughnuts costs $20.
So 10 doughnuts costs $20.
Date Posted:
6 years ago
Thanks a lot
360 Tutoring Program