SOLUTION: The dimension of a rectangle are in the ratio 5:3. If the longer side is 30 cm, what is the length of the shorter side

Algebra ->  Rational-functions -> SOLUTION: The dimension of a rectangle are in the ratio 5:3. If the longer side is 30 cm, what is the length of the shorter side      Log On


   

Question 843748: The dimension of a rectangle are in the ratio 5:3. If the longer side is 30 cm, what is the length of the shorter side
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
x = shorter side

(longer side)/(shorter side) = ratio

30/x = 5/3

30*3 = x*5

90 = 5x

5x = 90

x = 90/5

x = 18

shorter side is 18 cm