Question

Aubs has a photo that is 4 inches wide by 6 inches long. She wants to enlarge its length to 30 inches. What should the width be in order to keep the new photo proportional?

Answer 1

30/6 = 5, so
4:6 = 4*5 : 6*5 = 20:30

Answer 2

30/6 = 5.
So the length was multiplied by 5; therefore, the width must be multiplied by
5 also.