SOLUTION: Question: if there are 7 rectangles in 140 cm , how many rectangles in 220 cm?

Algebra ->  Rectangles -> SOLUTION: Question: if there are 7 rectangles in 140 cm , how many rectangles in 220 cm?      Log On


   

Question 1001595: Question: if there are 7 rectangles in 140 cm , how many rectangles in 220 cm?
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We can say 7 is to 140 as x is to 220, or the proportion
7%2F140+=+x%2F220
We can cross-multiply and get
140x = 1540
x = 11