Cory bought a patio table and 4 chairs for $135. The patio table cost $55. If each chair cost the same amount, how much did each chair cost?
The 4 chairs cost Cory $135 - $55 = $80.
Each chair costs $80 / 4 = $
<gadget id="calculator">80/4</gadget>
<output>20</output>
20.

<result>20</result>