Triangles CBA and CED are similar.
AB is parallel to DE.
AB = 9cm, BE = 4.8cm, EC = 6cm and ED = k cm.
Work out the value of k.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.