geusnns geusnns

13-01-2022
Mathematics

contestada

Kate bought 6 CDs and 2 DVD for $56.
ws
Jake bought 3 CDs and 3 DVDs for $48.
If x is the cost of a CD and y is the cost of a DVD... Write the
equations for what Kate spent and what Jake spent in the
form 44x+55y=66 with no extra spaces.
Kate's Equation is:
Jake's Equation is:

Solve the system of equations.

Respuesta :

wesleybickford07 wesleybickford07

13-01-2022

Answer:

Step-by-step explanation:

Let cd price x; dvd price y

3x+y=20

2x+2y= 22

from the first equation, y= 20-3x

substitute y in the second equation, 2x+2(20-3x)= 22, simplify -4x= -18, x= 4.5 and y= 6

Therefore, cd: $4.50 and dvd: $6.50

Answer Link

jdoogals jdoogals

13-01-2022

Answer:

Kate: 6x+2y=56

Jake: 3x+3y=48

Step-by-step explanation:

Answer Link

Otras preguntas

how do you find the perimeter and area of a rectangle with a base of 5 feet and a height of 30 inches?

What is one thing you can look for to determine quickly if a web source may be helpful to you? A.) Index of topics B.) Page layout C.)Subheadings D.)Table o

50 points hurry 1.) What did President McKinley do when he succeeded Cleveland in 1897? He ordered the New York Journal to cease publishing. He tried to continu

One notable way that the Han emperors differed from the Qin emperors was in their blank. A: revival of Confucianism B: harsh treatment of citizens C: adoptio

The theater director offered every member of the drama one vote for which play they preferred to perform. The director found that 3 5 % 35% voted for The Oddem

Which has more volume – a kilogram of gold or a kilogram of aluminum? 1. They have same volumes. 2. a kilogram of gold 3. It cannot be determined. 4. a kilo

a circle has a circumference of 53.38 cm.what is the measurement of the radius?

Camille is attending a fundraiser. She pays for her admission and buys raffle tickets for \$5$5 each. If she buys 1010 raffle tickets, then she would spend a to

What is one thing you can look for to determine quickly if a web source may be helpful to you? A.) Index of topics B.) Page layout C.)Subheadings D.)Table o

If the number of bacteria in a colony doubled every 225 hours and there is currently a population of 55 bacteria,what will the population be 675 hours from now?