kaylamendez101 kaylamendez101
  • 23-10-2021
  • Mathematics
contestada

Does anybody know this???

Does anybody know this class=

Respuesta :

npbronp
npbronp npbronp
  • 23-10-2021

Answer:

17

Step-by-step explanation:

Let x be the number of books and y the number of CDs,

[tex]x+y=25\\[/tex]

The prices of the products are multiplied with the quantity bought, therefore:

[tex]1.5x + 5y = 65.50[/tex]

Multiplying the first equation by -5, then multiplying the two equations:

[tex]-3.5x=-59.5\\x=17[/tex]

Answer Link

Otras preguntas

Write 2 paragraphs about giving thanks In Spanish
The perimeter of a rectangle is 182 ft. The width is two more feet than the length . Find the length and width.
Could elodea or paramecium from a fresh water lake can be expected to survive if transplanted into ocean. Explain?
what is 98 divided by 51450 long division
The table shows the function f (x). The graph shows the function g (x).
the presidents power to delay the carrying out of a sentence is known as what
made of a lipid bilayer
The Northern Hemisphere is _____ during the _____.
You decide to use 8 Tbs of corn syrup instead of 2 Tbs. you then increase the amount of pumpkin puree from 1 1/2 cups to 6 cups. Are these ingredients still pro
It takes 1 yard 2 feet of material to make a pillow. How much material is required to make 8 pillows?