Question

Kim purchased 6 small containers of potato salad and Seth purchased 2 extra large containers of

Answer 1

2/8 x 6 = 3/2
9/8 x 2 = 9/4
9/4 - 3/2 = 3/4 lbs

Answer 2

Kim purchased 6 small containers of potato salad.Small containers weigh $\frac{2}{8}.lbs.$

Weight of Kim's purchase =6x$\frac{2}{8} =\frac{12}{8}.=\frac{3}{2}. lbs$

Seth purchased 2 extra large containers of  Potato salad.

Weight of extra large container=$\frac{9}{8}.lbs.$

Weight of Seth's purchase =2x$\frac{9}{8}. =\frac{18}{8}.=\frac{9}{4}.lbs$

Difference in weights of Seth and Kim = $\frac{9}{4}.-\frac{3}{2}.=\frac{3}{4}.lbs.$

Difference in weight = $\frac{3}{4}.lbs.$