The answer is 6.875 ish. not exact
Basically the question is asking if the proportions for the dimensions of the 2 rugs are the same, so in this case yes, since 6 X 8 can be written as 3 X 4 which if you set up a fraction you can easily multiply both the top and bottom number by 3 to get 9 X 12.
2 ( k-5) 13 you don't need two k-5 you can simplify it so you just know to do it twice
2x+10, multiply to two each term x and 5