you place 3 3/8 pound weight on the left side of a balance scale and 1 1/5 pound weight on the right side.How much weight do you need to add to the right side

Question

you place  3 3⁄8 pound weight on the left side of a balance scale and 1 1/5 pound weight on the right side.How much weight do you need to add to the right side to balance the scale. i need this answer fast.

Answer 1

Hi Sheila,

 

3 3/8 - 1 1/5 = 3-1 + 3/8 - 1/5

                   = 2 +   (15-8)/40

                   = 2 + 7/40

                   = 2 7/40