Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
Primary 4 | Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Don't know how to do. Can you help????
Date Posted: 4 years ago
Views: 1434
$285 for 5 dvd and 9 cd
$225 for 5 dvd and 5 cd
If you observe carefully, the difference between the first and the second is just the 4 extra cd. Because of this extra 4 cd, the price difference is $60.
4 cd —> $60
1 cd —> $15
5 dvd and 6 cd is just 1 more cd than 5 dvd and 5 cd, so the cost of 5 dvd and 6 cd is
$225 + $15 = $240
$225 for 5 dvd and 5 cd
If you observe carefully, the difference between the first and the second is just the 4 extra cd. Because of this extra 4 cd, the price difference is $60.
4 cd —> $60
1 cd —> $15
5 dvd and 6 cd is just 1 more cd than 5 dvd and 5 cd, so the cost of 5 dvd and 6 cd is
$225 + $15 = $240
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hope this help
Date Posted:
4 years ago
360 Tutoring Program