Solve the proportion.
3/5 = x/20
You want to get a photo enlarged. The original was 3 inches wide and 5 inches long. The new photo is 20 inches long, how wide is the photo?
3 answers
3/5=x/20
3(20)=x(5)
60=5x
5x/5=60/5
x=12
3(20)=x(5)
60=5x
5x/5=60/5
x=12
A photo with a length of 3 inches and a width of 5 inches is enlarged to poster size. The poster and the photo are similar. The length of the poster is 21 inches. What is the width of the poster?