Ascale drawing is made to enlarge a picture by using a scale factor of 3. the enlarged picture is 9 inches by 15 inches. what are the dimensions of the original picture?

The dimensions of the original picture is 3 inches by 5 inches .

Step-by-step explanation:

Let the length of original picture be x

Let the breadth of original picture be y

A scale drawing is made to enlarge a picture by using a scale factor of 3.

So, Length of enlarged picture = 3x

So, breadth of enlarged picture = 3y

Now we are given that . The enlarged picture is 9 inches by 15 inches.

So,                and      

                     and      

                        and      

Hence the dimensions of the original picture is 3 inches by 5 inches .

y/x of point b= y/x of point a

step-by-step explanation:

(i got the same question, this was the correct answer.)