Hi,
Work:
Equation;

Express with a positive exponent using:

Put in your numbers.

Hope this helps.
r3t40
Always, i think it’s the answer
Answer:
The width of the frame must be 12 inches (15in by 12in)
Step-by-step explanation:
Given
See attachment for painting and frame
Required
Determine the dimension of the frame
To do this, we make use of the following scale ratio.

For the painting,

For the frame,

Since she wants to maintain the same ratio; both scale must be the same.
i.e.

Express as fraction


Make w the subject


<em>The width of the frame must be 12 inches i.e. 15in by 12in frame</em>
Blue squares colored equals 6/8, add that to 1/8 (the red squares), this equals 7/8 which minus 8/8 is 1/8 which is the yellow colored squares