A + b = 13 22 a + 18 b = 258 ------------------------ a = 13 - b 22 * ( 13 - b ) + 18 b = 258 286 - 22 b + 18 b = 258 - 4 b = 258 - 286 - 4 b = - 28 b = ( - 28 ) : ( - 8 ) = 7 a = 13 - 7 = 6 Answer: 6 tour packages a and 7 tour packages b were sold.
To find the perimeter you need to add all the sides. Since the width of the rectangle is 2 feet, you need to add it to another 2 since they have two equal sides. DO the same with 18 inches which is the length.
