Question

Kelly's art teacher asked him to draw a rectangle with a length of 6 inches and a width of 10 inches. After Kelly does so, his teacher changes her mind and asks him to draw a proportional rectangle that has a length of 9 inches. How many inches wide is the new rectangle?

Answer 1

15

Explanation:

Answer 2

Answer: 15

Explanation:

It’s pretty simple!

So first we set up the proportion, 6:10

We know that 3 is a common factor for 6 and 9, so we divide 6 by 2 and 10 by 2 and get the proportion 3:5, now we multiply both numbers by 3,

9:15!