Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
primary 6 | Maths
| Algebra
One Answer Below
Anyone can contribute an answer, even non-tutors.
Pls help me ASAP
Date Posted: 3 years ago
Views: 261
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
1 necklace : 1 bracelet
= 7 : 5
= 21 : 15
18×5+10×7
= 160
480÷160 = 3
(a)
10×7÷5
= 14 (Ans)
(b)
bracelets → 20-18 = 2
necklaces → 36-10 = 26
2×15 + 26×21
= 576 (Ans)
= 7 : 5
= 21 : 15
18×5+10×7
= 160
480÷160 = 3
(a)
10×7÷5
= 14 (Ans)
(b)
bracelets → 20-18 = 2
necklaces → 36-10 = 26
2×15 + 26×21
= 576 (Ans)
Date Posted:
3 years ago
360 Tutoring Program