subject
Mathematics, 23.04.2021 21:10 raquelqueengucci25

A used book store started selling used CDs and DVDs. In the first week, the store sold a combined total of 40 used CDs and DVDs. Each CD sold for $4.00 and each DVD sold for $6.00. The sales for both CDs and DVDs totaled $180.00. Lex x = CD sales and y = DVD sales

Part 1 Write a system of equations to solve for the number of CDs and DVDs sold.

Part 2 Graph the system of equations (send me a picture of your graph or if you know how place in here)

Part 3 State the solution, that is, how many CD's and DVDs were sold during the first week?

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:00, amshearer4719
Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?
Answers: 1
image
Mathematics, 21.06.2019 20:00, lavorisjonesjr1
Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?
Answers: 2
image
Mathematics, 21.06.2019 21:30, KiemaBear
One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?
Answers: 1
image
Mathematics, 21.06.2019 22:30, rubycarbajal
The area of a circle is equal to 1 dm². find the radius of the circle.
Answers: 1
You know the right answer?
A used book store started selling used CDs and DVDs. In the first week, the store sold a combined to...

Questions in other subjects:

Konu
Mathematics, 21.01.2021 19:10