## Ask Singapore Homework?

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

## Question

primary 6 | Maths | Percentage

Anyone can contribute an answer, even non-tutors.

##### Grace Goh

chevron_right chevron_right chevron_right

Date Posted: 8 months ago
Views: 85
Phylicia Tong
8 months ago
Answer is 3 laptops at \$820 each and 12 ipads at \$495 each. If u use these noes. to work backwards, you will find that they are correct.
Total amt collected fr LT
= (8400-3480)/2 = \$2460
Tot collected fr ipad = \$5940

Ratio of UNITS sold 4 : 1
Total collected 5940 : 2460
For ipad, if 1Unit sold, amt collected would b = 5940/4 = \$1485

Hence
Ratio of units 1 : 1
Collections 1485 : 2460
Difference = 975

Price difference of 1 item = \$325
I unit = 975/325 = 3
Therefore LT sold = 3.
Hope u can follow above solution.
Grace Goh
8 months ago
Thank you very much for your help
Dalila
2 months ago
Hi why cant i do: 3480/325 since 3480 is the difference btwn ipad and laptop, and 325 is the difference in price for one
Phylicia Tong
2 months ago
You can only do that PROVIDED the laptops n ipads are the SAME quantity.
Dalila
2 months ago
Ok thank you

### See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
##### Chin Shih Chang's answer
352 answers (Tutor Details)
1st
Date Posted: 8 months ago