Question

12. If 7x = 4(-11 - x),

then x=

13. Shannon is planning to tile a rectangular kitchen countertop that is 12 inches wide and 35 inches

long. She determined that 1 tile will be needed for each 3-inch-by-7-inch region. What is the minimum

number of tiles that will be needed to completely cover the countertop to its edges?

Answer 1

Step-by-step explanation:

12:

7x=4(-11-x)

7x=-33-4x

7x+4x=-33

11x=-33

x=-3

13:

Area=12inch*35inch

=420inch²

Area of a tile:3*7=21

420:21=20 tiles

Hope this helps

Brainliest would be appreciated