It costs Seth's socks $1.25 to produce each pair of socks. Seth's sells its socks for $4.00 per pair. What is the percent markup on the socks? A- 31.25%
B- 68.75%
C- 220%
D- 320%

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap