Question

Too much to type!! So here is a photo instead

Answer 1

x=9

Explanation:

100-22x=298

x=9

because, 100-298=198

198/22=9 so, X=9

Answer 2

9 months

Explanation:

1. write out equation

100 + 22x = 298

2. Subtract 100 from both sides

22x = 198

3. Divide 22 from each side

198/22 = 9

hence, Katrina will pay off the sofa in 9 months.

have a great day! :)