menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A store is having a sale on DVDs and CDs. DVDs cost $4 and CDs cost $7. On one day, the store made $204 from DVD and CD sales, and sold a total of 39 items. Write a system of eq…
Ask a Question
Questions
Unanswered
Tags
Ask a Question
A store is having a sale on DVDs and CDs. DVDs cost $4 and CDs cost $7. On one day, the store made $204 from DVD and CD sales, and sold a total of 39 items. Write a system of eq…
asked
Jan 28, 2018
11.8k
views
4
votes
A store is having a sale on DVDs and CDs. DVDs cost $4 and CDs cost $7. On one day, the store made $204 from DVD and CD sales, and sold a total of 39 items. Write a system of equations, then solve to find how many DVDs and CDs were sold.
Mathematics
high-school
Lakenen
asked
by
Lakenen
7.9k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
4
votes
see attached picture
Klaus
answered
Feb 1, 2018
by
Klaus
8.0k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Aug 6, 2018
171k
views
A store is having a sale on DVDs and CDs. DVDs cost $4 and CDs cost $7. On one day, the store made $204 from DVD and CD sales, and sold a total of 39 items. Write a system of equations, then solve to find
Alex From Jitbit
asked
Aug 6, 2018
by
Alex From Jitbit
8.2k
points
Mathematics
high-school
1
answer
5
votes
171k
views
asked
Jun 7, 2024
201k
views
After a 70% reduction, you purchase a new DVD player on sale for $204. What was the original price of the DVD player? The original price was $
Tsardines
asked
Jun 7, 2024
by
Tsardines
9.0k
points
Mathematics
college
1
answer
4
votes
201k
views
asked
Dec 17, 2024
104k
views
78. Suppose a consumer spends her income on two goods: music CDs and DVDs. The price of a CD is $8, and the price of a DVD is $20. If we graph the budget constraint by measuring the quantity of CDs purchased
Loic Mouchard
asked
Dec 17, 2024
by
Loic Mouchard
8.0k
points
Business
high-school
1
answer
0
votes
104k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org