Question

The perimeter of a rectangle is 68 ft. Find the dimensions of the rectangle if the ratio of the length to the width is 9 : 8

Answer 1

\[2(l+b) = 68\]
\[\frac{ l }{ b } = \frac{ 9 }{ 8 }\]
\[ l = \frac{ 9 *b }{ 8 }\]
Put value of l in first eq