SOLUTION: At a music store, CDs are sold at $5 each and DVDs are sold at $7 each. If one day it sold 10 more CDs than DVDs, and makes a total of $530, how many CDs and DVDs did it sell respe
Algebra.Com
Question 956034: At a music store, CDs are sold at $5 each and DVDs are sold at $7 each. If one day it sold 10 more CDs than DVDs, and makes a total of $530, how many CDs and DVDs did it sell respectively?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
N=number of DVDs; N+10=number of CDs
$7N+$5(N+10)=$530
$7N+$5N+$50=$530
$12N=$480
N=40 ANSWER 1:They sold 40 DVDs
N+10=40+10=50 ANSWER 2:They sold 50 CDs
CHECK:
$7(40)+$5(50)=$530
$280+$250=$530
$530=$530
RELATED QUESTIONS
in one day, a store sold 8/5 as many dvds as cds. The total number of dvds and cds sold... (answered by user_dude2008)
Overtures used media store had CDs on sale for $8 each and DVDs on sale for $11 each.... (answered by checkley77)
In one day, a store sold 8/5 as many DVDs as CDs. The total number of DVD's and CDs sold... (answered by Kalmetam)
John and Paul work together at a music store. In one afternoon they sold a total of 41... (answered by josmiceli)
A store sold 2 CDs for every 4 DVDs. If 564 DVDs were sold, how many CDs were... (answered by Cromlix)
A company sells DVDs d and CDs c. The figure shows a red, solid graph of d+c =1500. The... (answered by John10)
The owner of a music store ordered merchandise with a total value of $11000 from her... (answered by ikleyn)
if a total number of dvds and cds sold is 1500, determine how many of each were sold to... (answered by flame8855)
Henry bought 32 CDs and DVDs for $1010. The CDs cost $25 each and the DVDs cost $40 each, (answered by ewatrrr)