Question

The length of a rectangle is 12 centimeters and the width is 5 centimeters. A similar rectangle has a width of 3 centimeters. What is the length of the second rectangle?

Answer 1

I believe it is 20 if you set ut up as a ratio. explanation: 3/5 as 12/x. Cross multiply 3x=12×5

3x=60

X=20