Problema Solution
A rectangle is 3 times longer than it Is wide. The perimeter is 60 cm. find the dimensions of the rectangle. Round to the nearest 10th.
Answer provided by our tutors
let 'x' represent the width, then '3x' represents the length
perimeter = 2(l+w)
60=2(x+3x)
30 = 4x
x = 30/4 = 7.5
3*7.5 = 22.5
the width is 7.5 cm, length is 22.5 cm